Editing Super Mario Galaxy

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|style="background:#ffe4e1"|The game's protagonist. [[Princess Peach]] invites him to [[Peach's Castle|her castle]] to celebrate the [[Star Festival]], but the celebration is cut short when [[Bowser]] arrives and kidnaps her. After a failed rescue attempt, Mario winds up on a [[Gateway Galaxy#Starting_Planet|tiny planet]] far from [[Earth|home]]. It is here that he meets an [[Baby Luma|apricot-colored]] [[Luma]] and his caretaker - the mysterious [[Rosalina]]. With the Luma giving him the power to travel through space, Mario sets off to collect [[Power Star]]s, rescue Princess Peach, and stop Bowser from creating his galaxy at the [[Bowser's Galaxy Reactor|center of the universe]].

|style="background:#def3df"|Mario's younger twin brother. The player can replay the game as Luigi after they have collected 120 Power Stars and completed "[[The Fate of the Universe]]" as Mario. He can jump higher and run faster than Mario, but at the cost of poorer acceleration and traction. This causes Luigi to skid as he moves, thus increasing the risk of him falling off of a platform or colliding with an obstacle. In addition, the [[Spin Jump]]'s height difference between shaking the Wii Remote and Nunchuk is switched. He otherwise appears as a supporting character who goes on quests to locate Power Stars for his brother. He still fulfills this supporting role during Luigi's playthrough, leading to a situation where [[:File:SMG Screenshot Ghostly Galaxy (Luigi and the Haunted Mansion) as Luigi.jpg|there are two of them]]. Luigi can be quite cowardly and is afraid of ghosts.

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|[[File:SMG Luma.jpg|100x100px]]<br>[[Baby Luma|Apricot Luma]]

|Mario's traveling companion – a young Luma who resides under [[Mario Cap|his cap]]. He grants Mario<ref name=luigi group=note/> the ability to [[spin]] and travel through space. Before being kidnapped, Princess Peach intended to give this Luma to Mario as a gift during the Star Festival. It is [[Rosalina's Story|implied]] that he is a reincarnation of the first Luma that Rosalina ever encountered.

|[[File:SMG Asset Model Peach.png|100x100px]]<br>[[Princess Peach]]

|The ruler of the [[Mushroom Kingdom]]. She is kidnapped by [[Bowser]] on the night of the [[Star Festival]] and taken to the center of the universe, leading to Mario's quest to save her. She periodically sends letters of encouragement to Mario that contain five [[1-Up Mushroom]]s. She sends letters containing twenty 1-Up Mushrooms during Luigi's playthrough, but they specifically remain addressed to Mario. Rosalina refers to Peach as Mario's "[[Princess Peach#Friends and love interests|special one]]".

|[[File:Princess Rosalina Super Mario Galaxy.png|100x100px]]<br>[[Rosalina]]

|A mysterious woman who serves as the guardian of the cosmos. She travels through space in the [[Comet Observatory]], a vessel she built for the Lumas. It is abruptly stopped and stripped of its power source, the [[Power Star]]s, by Bowser, leaving it stranded in space. When she meets Mario, they make an arrangement where he will collect Power Stars to restore power to the observatory. In exchange, Rosalina will help him stop Bowser and rescue Princess Peach. Her past is revealed to the player via [[Rosalina's Story]] as they accumulate Power Stars. The Lumas recognize Rosalina as their mother, who in turn sees them as her family.

|[[File:SMG Yellow Luma Alt Artwork.png|x100px]]<br>[[Luma]]s

|Star children that make their home in the Comet Observatory. Lumas appear in some galaxies to aid Mario, typically by transforming into [[Launch Star]]s, [[Sling Star]]s, and [[Pull Star]]s. Lumas become {{wp|Astronomical object|celestial bodies}} when they grow up, and which ones they become is dependent on their [[Luma#Color variations|color]]. Lumas eat [[Star Bit]]s and squeal with delight when fed via the [[Star Pointer]].

|[[File:SMG Polari.jpg|100x100px]]<br>[[Polari]]

|An elderly Luma who serves as Rosalina's advisor. He appears within each dome of the observatory and grants access to the map when prompted. He teaches the player how to use the Star Pointer.

|[[File:HungryLuma.png|x100px]]<br>[[Hungry Luma]]s

|Big Lumas. The ones on the Comet Observatory transform into galaxies when fed a specified number of [[Star Bit]]s. When encountered in [[dome]] galaxies, they transform into planets. Visiting them triggers a hidden mission.

|[[File:Lumalee.png|x100px]]<br>[[Lumalee]]s

|Big Lumas that run Luma Shops. One typically proceeds a boss encounter and transforms into a [[mushroom]] of choice in exchange for thirty Star Bits.

|[[File:SMG Comet Tico.png|x100px]]<br>[[Comet Luma]]<br>{{derived}}

|A Hungry Luma that is knowledgeable about [[Prankster Comet]]s. It provides details on these comets to the player when prompted. Alternatively, it can shift where a Prankster Comet appears in exchange for twenty Star Bits.

|[[File:Super Mario Galaxy Toad Artwork.png|100x100px]]<br>[[Toad (species)|Toads]]

|Denizens of the Mushroom Kingdom. They are mushroom people that come in a variety of colors. Toads are celebrating the [[Star Festival]] when Peach is abducted. [[:File:SMG Asset Texture Prologue 04.png|Pink-capped Toads in red dresses]] appear in the prologue that look like [[Toadette]].

|[[File:LuigiRosalinaSMG.png|x100px]]<br>[[Toad Brigade|The Toad Brigade]]

|A five-member team of Toads looking for Princess Peach. They travel through space in search of Power Stars aboard their [[Starshroom]]s, mushroom-shaped starships built for them by the Lumas. Outside of the red-capped leader and purple-capped mail carrier, the brigade contains three other Toads: [[Hint Toad|a knowledgeable blue Toad]] who typically provides information on an area of interest; [[Banktoad|a green Toad]] who carries a pickaxe and constructs [[cannon]]s for Mario; and [[Yellow Toad (Toad Brigade)|a sleepy yellow Toad]].

|[[File:SMG Asset Model Toad Brigade (Captain Toad).png|100x100px]]<br>[[Captain Toad|Toad Brigade captain]]

|The captain of the Toad Brigade. This red Toad self-designated himself as the brigade captain and typically sends his teammates into dangerous situations without his direct involvement. According to the blue Toad, the captain is the most cowardly member of the team.

|[[File:SMG Asset Model Toad Brigade (Mailtoad).png|100x100px]]<br>[[Mailtoad]]

|A member of the Toad Brigade who runs a postal service for Mario on the Comet Observatory, delivering mail from Princess Peach or Luigi. He also periodically sends his own letters to the player through the [[Wii#Wii Message Board|Wii Message Board]]. When out on missions with the brigade, the Mailtoad is not carrying his satchel and sometimes wears a snorkel.

|[[File:SMG Star Bunny Artwork.png|100x100px]]<br>[[Star Bunny|Star Bunnies]]

|Spacefaring [[rabbit]]s that like to play and typically award Mario a Power Star for catching them. The Star Bunnies of [[Gusty Garden Galaxy]] like to garden and are hunted by [[Undergrunt]]s. Some Star Bunnies are Lumas in disguise. Unlike them, the real rabbits often end their sentences with "boiyoing" or wear vests.

|[[File:Bee Artwork - Super Mario Galaxy.png|x100px]]<br>[[Honeybee]]s

|[[Bee]] people that collect [[honey]] and teach Mario how to use his [[Bee Mario|Bee form]]. Most Honeybees are members of the [[Honeyhive Galaxy|Honeyhive Kingdom]] and are in the midst of a dispute with [[Mandibug]]s. The bees of [[Gold Leaf Galaxy]] keep [[Cataquack]]s as pets.

|[[File:QueenBee.png|100x100px]]<br>[[Honey Queen|Queen Bee]]

|The ruler of the Honeyhive Kingdom. She has a large body that can be clung to by the player while in their Bee form. When she meets Mario for the first time, she mistakes him for a physician and asks him to take care of an "[[Star Chip|itchiness]]" for her.

|[[File:SMG Asset Model Board.png|100x100px]]<br>[[Boards (characters)|Boards]]

|Talking boards that explain unique mechanics to Mario, with each board covering a different topic: Gil Board teaches Mario how to [[Wall Jump]]; Bill Board teaches him how to use the [[Star Ball|Rolling Ball]]; Phil Board teaches him how to use the [[Bubble]]; and Jill Board reminds him how to use his [[Boo Mario|Boo form]].

|[[File:RaySMG.png|x75px]]<br>[[Ray]]

|The [[Manta|manta ray]] that Mario surfs on during [[ray surfing]]. Safely reaching the finish line within a specified time limit awards Mario with a Power Star.

|[[File:SMG Penguin Artwork.png|100x100px]]<br>[[Penguin]]s

|Flightless birds who love to swim. Some penguins share swimming techniques with Mario when prompted, while others try to play with him. Most penguins are young and slightly shorter than Mario, while the two adult penguins, Coach and Penguru, tower over him. The penguin in [[Freezeflame Galaxy]] calls Mario an "old man" and challenges him to a race.

|[[File:SMG Coach Artwork.png|100x100px]]<br>[[Coach (Super Mario Galaxy)|Coach]]

|A big penguin who has a paternal disposition and teaches the young penguins how to swim. Coach is the host of the ray surfing minigame and gives Mario a tutorial on how to move Ray.

|[[File:Penguru SMG.png|100x100px]]<br>[[Penguru]]

|An elderly penguin who likes to fish. While he oversees young penguins, he prefers spending time by himself.

|[[File:SMG Asset Model Penguin Racer (Captain).png|100x100px]]<br>[[Penguin Racers]]

|A four-member swimming team. While most penguins are blue, each member of this team is a different color. Mario can compete with them when he talks to the red-colored leader. This penguin awards Mario a Power Star for outswimming them.

|[[File:Gearmo Artwork - Super Mario Galaxy 2.png|x100px]]<br>[[Gearmo]]s

|Maintenance robots. Gearmos can be found upkeeping battle stations affiliated with the [[Topman Tribe]], but they themselves are not enemies. The Gearmos of [[Toy Time Galaxy]] teach the player how to use their [[Spring Mario|Spring form]]. An overworked Gearmo hosts [[Bob-omb Blasting]], while another helps maintain the Comet Observatory's [[Engine Room]]. One Gearmo in [[Battlerock Galaxy]] refers to herself as an "iron old lady".

|[[File:SMG Screenshot Big Green Caterpillar.png|100x100px]]<br>[[Worm (Super Mario Galaxy)|Worm]]

|A giant caterpillar with its own [[Gravity|gravitational pull]] that enables Mario to walk along its body. It lives inside one of the [[:File:Apple planets.png|apple-shaped planets]] in Gusty Garden Galaxy, where [[Ground Pound]]ing a [[stump]] forces the worm to the surface and tunnel into the next nearest planet. This creates a permanent bridge between them.

|[[File:SMG Spooky Speedster Artwork.png|x100px]]<br>[[Spooky Speedster]]

|An [[Big Boo|Atomic Boo]] who challenges Mario to a race when prompted. He begrudgingly gives Mario a Power Star if he reaches the finish line before him. When Mario races him in "[[A Very Spooky Sprint]]", he must use [[Pull Star]]s to reach the goal. In "[[Racing the Spooky Speedster]]", he is in his [[Boo Mario|Boo form]].

|[[File:GuppySMG.png|x75px]]<br>[[Guppy]]

|An {{wp|orca}} who bullies the Penguin Racers. He only relents if Mario can complete his [[Going after Guppy|eight-ring swim challenge]], as well as award him a Power Star. Unlike most other characters, Guppy cannot be jumped on and knocks Mario back if touched, although this does not cause damage.

|[[File:SMG Cosmic Mario Model.png|100x100px]]<br>[[Cosmic Mario]]

|An entity that resembles Mario and mirrors his abilities. He challenges him to a footrace to a Power Star when a [[Prankster Comet#Cosmic Comet|Cosmic Comet]] is in orbit during Mario's playthrough. Making contact with Cosmic Mario during the race makes him release Star Bits.

|[[File:SMG Cosmic Luigi Model.png|100x100px]]<br>[[Cosmic Mario|Cosmic Luigi]]

|An entity that resembles Luigi. Like Cosmic Mario, he only appears when a Cosmic Comet is in orbit during Luigi's playthrough. Unlike Cosmic Mario, Cosmic Luigi makes more frequent use of shortcuts and [[Long Jump]]s, making him a more challenging opponent.

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|data-sort-value=Mic|[[File:SMG Micro Goomba.png|100x100px]]<br>[[Mini Goomba|Micro Goomba]]

|Little Goombas. Like normal-sized ones, they charge towards Mario. They are defeated when spun.

|data-sort-value=Gooa|[[File:SMG Goomba Model.png|100x100px]]<br>[[Goomba]]

|Squat mushroom creatures that chase Mario when he is in their line of sight. A Goomba is defeated when stomped. Spinning or shooting one with a Star Bit knocks it over and makes it spin like a top, leaving it vulnerable to being kicked.

|data-sort-value=Gra|[[File:SMG Goomba Artwork.png|100x100px]]<br>[[Big Goomba|Grand Goomba]]

|A giant Goomba. It is defeated only when spun and kicked. Only one Grand Goomba appears in the whole game.

|data-sort-value=Pum|[[File:PumpkinheadGoomba.png|100x100px]]<br>[[Jack O'Goomba|Pumpkinhead Goomba]]

|Slow-moving Goombas with [[Pumpkin|jack-o'-lanterns]] covering their heads. A Pumpkinhead Goomba sometimes drops a blue flame behind it that burns Mario on contact. [[Ground Pound]]ing one defeats it. Spinning one breaks the pumpkin and reverts it into a normal Goomba.

|data-sort-value=Gooe|[[File:SMG Goombeetle Artwork.png|100x100px]]<br>[[Goombeetle]]

|Helmeted Goombas that cannot be stomped. Spinning one flips it upside down, exposing its vulnerable underside.

|data-sort-value=E|[[File:Electrogoomba.png|100x100px]]<br>[[Octoomba|Electrogoomba]]

|Goomba-like octopus enemies. An Electrogoomba shuffles side to side along a set path and keeps its eyes locked onto Mario when he is near. When in close proximity, it attempts to strike him with the hair-like appendage on its head. Electrogoombas are defeated when stomped or spun.

|data-sort-value=Roc|[[File:SMG Octopus Artwork.png|100x100px]]<br>[[Rocto]]

|Big octopuses that sit in [[barrel]]s. Roctos spit [[coconut]]s<ref name=fruit group=note>Any mentioning of coconuts is equally applicable to [[watermelon]]s, which replace all coconuts if the player accumulates 9999 [[Star Bit]]s.</ref> and flaming rocks at Mario. The coconuts can be ricocheted back with a well-timed spin. This is the only way to defeat a Rocto.

|data-sort-value=Oct|[[File:Octoguysmg.png|100x100px]]<br>[[Octoguy]]

|Red octopuses that spit rocks. Octoguys shuffle backward from Mario when approached and only stop to attack Mario. One is defeated when stomped or spun. They usually occur in groups.

|data-sort-value=Slu|[[File:SMG Slurple Artwork.png|100x100px]]<br>[[Slurple]]

|Leech-like octopuses. They latch onto Mario and gradually deplete his life meter. Spinning defeats them.

|data-sort-value=Rub|[[File:SMG Asset Model Boulder.png|100x100px]]<br>[[Boulder|Ruby Rock]]

|Boulders with red gems in their center. Ruby Rocks roll around in circles or off the sides of platforms, damaging Mario on contact. Spinning into the gem of one breaks it. There are caves that indefinitely release Ruby Rocks in several galaxies.

|data-sort-value=Pir|[[File:SMG Piranha Plant Artwork.png|100x100px]]<br>[[Piranha Plant]]

|Carnivorous plants that try to bite Mario when near and laugh if they land a hit. They idly hold their heads skyward like normal flowers until they are approached. Piranha Plants are defeated when stomped or spun, and stunned when struck by a Star Bit. Defeating a Piranha Plant sometimes causes a Sproutle Vine to erupt from the ground.

|data-sort-value=SpiP|[[File:Spiny Piranha Plant Galaxy.png|100x100px]]<br>[[Spiny Piranha Plant]]

|Large Piranha Plants that slam their heads into the ground. Spinning one stuns it and leaves it vulnerable to being stomped.

|data-sort-value=Tra|[[File:SMG Asset Model Petapeta.png|100x100px]]<br>[[Tracks (enemy)|Tracks]]

|Invisible purse-like creatures. Tracks are only visible when the stop moving. They are otherwise only perceptible by tracking their footsteps. Defeating one awards Mario with a large number of Star Bits.

|data-sort-value=Pokeyn|[[File:SMG Big Pokey Artwork.png|100x100px]]<br>[[Big Pokey|Pokeynut]]

|Giant [[Pokey]]s. A Pokeynut slam its body forward to strike Mario. It falls apart when struck by a coconut<ref name=fruit group=note/>, causing its head to fall and become embedded in the surrounding sand. Stomping the head defeats it.

|data-sort-value=Pokeyp|[[File:SMG Pokey.png|100x100px]]<br>[[Pokeyplant]]

|A red Pokey. It shimmies away from Mario while attempting to slam him. The Pokeyplant can be defeated by destroying each of its body segments, or by stomping on its head from above. If reduced to just a head, it attempts to flee the area.

|data-sort-value=Pokey|[[File:SMG Asset Model Pokey Head.png|100x100px]]<br>[[Pokey Head]]

|Green Pokeys. They are buried with only their flowers visible. When approached by Mario, they burst out of the ground and start hopping towards him. A Pokey Head bounces in place if it successfully strikes Mario. They are defeated when stomped or spun.

|data-sort-value=Cho|[[File:SMG Asset Model Chomp.png|100x100px]]<br>[[Chain Chomp|Chomp]]

|Rolling metal enemies. They bark when in close proximity. Chomps are defeated only when struck by [[Rainbow Mario]].

|data-sort-value=Gol|[[File:GoldChompSMG.png|100x100px]]<br>[[Gold Chomp|Golden Chomp]]

|A Chomp made of gold. It is destroyed by Mario only if he collides with it in his Rainbow form.

|data-sort-value=Min|[[File:SMG Asset Model Mini Wanwan.png|100x100px]]<br>[[Small Chomp|Mini Chomp]]

|Little Chomps that roll out of [[Chomp box|doghouses]]. Mini Chomps are destroyed only when all nearby [[Flipswitch Panel]]s are activated.

|data-sort-value=Bul|[[File:SMG Bullet Bill.png|100x100px]]<br>[[Bullet Bill]]

|Missiles fired from [[Bill Blaster]]s. Bullet Bills directly target Mario when he is within their proximity. Mario can lure Bullet Bills towards cages and fences to break them. Their eyes flash red and their bodies twirl when they lock onto Mario.

|data-sort-value=Ban|[[File:BanzaiBillSMG.png|100x100px]]<br>[[Bomber Bill|Banzai Bill]]

|Slow-moving missiles. Their line of trajectory is fixed in one direction, and they slowly rotate as they move.

|data-sort-value=Tor|[[File:SMG Asset Model Torpedo Ted.png|100x100px]]<br>[[Torpedo Ted]]

|Underwater missiles. Their eyes flash red and they home in on Mario when he is in close proximity. They can be lured towards cages to break them.

|data-sort-value=Lav|[[File:SMG Asset Model Lava Bubble.png|100x100px]]<br>[[Lava Bubble]]

|Floating drops of lava. Lava Bubbles appear during the battle with [[King Kaliente]].  Shooting one with a Star Bit defeats it. They otherwise burnout and disappear on their own.

|data-sort-value=Fli|[[File:Flipbug.png|100x100px]]<br>[[Flipbug]]

|Insect enemies that dislike bees. Flipbugs attempt to flee from Mario when he is near, ultimately tiring out and collapsing upside-down on the ground. If spotted in his [[Bee Mario|Bee form]], they chase him.

|data-sort-value=Man|[[File:Mandibug.png|100x100px]]<br>[[Mandibug]]

|Big {{wp|stag beetle}} enemies. Mandibugs charge at Mario after making visual contact, snapping their jaws. They are defeated when Ground Pounded. One trembles if Mario stands on its back, but eventually shakes him off.

|data-sort-value=Wi|[[File:SMG2 Wiggler Artwork.png|100x100px]]<br>[[Wiggler]]

|Caterpillars that walk around in circles. Performing a Ground Pound on nearby earth or directly spinning a Wiggler flips it onto its back. If it is not defeated within five seconds, it becomes angry and uprights itself. An enraged Wiggler is faster and cannot be harmed. It calms down after a few seconds. Ground Pounding a Wiggler defeats it in a single blow.

|data-sort-value=Wa|[[File:Watershooter.png|100x100px]]<br>[[Water Shooter]]

|Mounted nozzles that shoot [[Water Ball]]s over great distances. A ball traps Mario if he is within its trajectory and carries him with it. He is freed if he spins.

|data-sort-value=Fir|[[File:Firearc.png|100x100px]]<br>[[Fire Shooter]]

|Mounted flamethrowers that shoot streams of fire. The flames recede in set intervals that can be timed.

|data-sort-value=SpringV|[[File:Sentry Beam.png|100x100px]]<br>[[Spring Vault]]

|Topman-like beamers. Jumping on one's head launches Mario high into the air.

|data-sort-value=Sen|[[File:SMG Sentry Garage model.png|100x100px]]<br>[[Sentry Garage]]

|A Spring Vault that expels Topminis. Its head bounces Mario into the air.

|data-sort-value=Spo|[[File:SpoingSMG.png|100x100px]]<br>[[Spoing]]

|Spiders that hop up and down. A Spoing is stunned when shot by a Star Bit. It is defeated when stomped. Spoings stop to laugh if they strike Mario.

|data-sort-value=Spa|[[File:SMG Sprangler.png|100x100px]]<br>[[Spangler]]

|Spiders hanging from silk. Spanglers sway back and forth to strike Mario. Spinning one stuns it. It otherwise can be stomped.

|data-sort-value=Z|[[File:SMG Asset Model Big Amp.png|100x100px]]<br>[[Big Amp|Zap Ball]]

|Large, faceless Amps that travel in circles and damage Mario on contact. Zap Balls typically occur in pairs.

|data-sort-value=Amp|[[File:AmpSMG.png|100x100px]]<br>[[Amp]]

|Smiling, electrical orbs. They typically travel in circular patterns.

|data-sort-value=Mag|[[File:Magikoopa Artwork - Super Mario Galaxy.png|100x100px]]<br>[[Magikoopa]]

|Robed [[Koopa (species)|Koopa]]s that teleport. Magikoopas toss magical fireballs at Mario with their wand, which they also use to block shot Star Bits. The Magikoopa in one of the opening cutscenes is localized into English as "[[Kamek]]".

|data-sort-value=KooG|[[File:SMG Koopa Troopa Models.png|100x100px]]<br>[[Koopa Troopa]] (Green)

|Green-shelled turtles. Koopa Troopas walk back and forth in straight lines. One retreats into its shell when stomped, allowing Mario to pick it up.

|data-sort-value=KooR|[[File:SMG Asset Model Koopa Troopa (Red).png|100x100px]]<br>Koopa Troopa (Red)

|A red-shelled Koopa Troopa that walks around in a circle. Jumping on it gives Mario access to a Red Shell.

|data-sort-value=D|[[File:SMG Dry Bones Artwork.png|100x100px]]<br>[[Dry Bones]]

|Undead Koopa Troopas. Dry Bones chase down and tackle Mario on sight. If one is stomped, spun, or hit with a shell, it crumbles into a pile of bones, but reassembles after a few seconds. There are three ways to truly defeat a Dry Bones: by luring a Bullet Bill into it, by running into it as Rainbow Mario; or by luring it into [[quicksand]].

|data-sort-value=Top|[[File:Topmini.png|100x100px]]<br>[[Topmini]]

|Little Topmen. Topminis cannot damage Mario and are immediately defeated when spun.

|data-sort-value=Spik|[[File:SpikyTopman.png|100x100px]]<br>[[Spiky Topman]]

|Top enemies. Spiky Topmen do not directly harm Mario, but they can knock him into hazards or off platforms. The spike on one's head protects it from being stomped and damages Mario on contact. Spiky Topmen are defeated if knocked into an [[electric rail]] or off the side of a platform.

|data-sort-value=Spr|[[File:SMG Asset Model Topman (Spring).png|100x100px]]<br>[[Spring Topman]]

|Green Topmen that continuously produced by small portals. Stomping a Spring Topman stuns it and allows Mario to use it like a [[springboard]]. Some Spring Topmen produce Topminis.

|data-sort-value=Spa|[[File:Mine Artwork SMG2.png|100x100px]]<br>[[Mikey Mine|Space Mine]]

|Faceless Mikey Mines that occur floating in space. Most are inert, but some move along purple streaks of light. Space Mines explode when touched, causing damage. Shooting one with a Star Bit destroys it.

|data-sort-value=Mik|[[File:SMG Underwater Mine Artwork.png|100x100px]]<br>Mikey Mine

|{{wp|Naval mine}}s that bob up and down on chains. Mikey Mines keep their eyes shut unless Mario is in close proximity. They regenerate after detonating.

|data-sort-value=Bob|[[File:SMG Bob-Omb Artwork.png|100x100px]]<br>[[Bob-omb]]

|Walking bombs. Bob-ombs actively pursue Mario until they explode. Stomping one disengages it, turning it into a grabbable [[bomb]].

|data-sort-value=Mon|[[File:SMG Asset Model Monty.png|100x100px]]<br>[[Monty]]

|Moles that sit in hatches and throw wrenches at Mario. One retreats into the hatch when approaches. Ground Pounding nearby earth stuns Montys, leaving them open to attack. They are also stunned when struck by Star Bits.

|data-sort-value=Und|[[File:SMG Asset Model Undergrunt.png|100x100px]]<br>[[Undergrunt]]

|Burrowing Montys. Undergrunts leave trails of disturbed dirt as they dig. Ground Pounding nearby earth forces them to the surface, dazed and vulnerable. Their spiked helmets protects them from stomps. The helmets protrude from the ground as the Undergrunts burrow, allowing one to track their movements.

|data-sort-value=Sen|[[File:LaserRobot.png|100x100px]]<br>[[Sentry Beam]]

|Hovering beamers that fire lasers at Mario when he is close. Standing on top of a Sentry Beam temporarily prevents it from firing.

|data-sort-value=09|[[Battlerock Galaxy]]

|{{icon|new}}

|data-sort-value=Thw|[[File:SMG Thwomp Artwork.png|100x100px]]<br>[[Thwomp]]

|Grimacing stones. Thwomps suspend themselves above ground and periodically slam into the earth below. Crushing Mario fully depletes his [[Health Meter|life meter]]. The tops and sides of a Thwomp can be used as platforms and walls. Slightly smaller ones appear in the 2D sections of several galaxies.

|data-sort-value=11|[[Bowser's Star Reactor]]

|data-sort-value=37|[[Bowser's Galaxy Reactor]]

|data-sort-value=Gri|[[File:Gringill SMG.png|100x100px]]<br>[[Gringill]]

|{{wp|Congridae|Conger eel}} enemies. Gringills lunge at Mario if he approaches the mouth of their caves. They can only be defeated by projectile shells. In some galaxies, Gringills occur swimming in open water.

|data-sort-value=Gia|[[File:SMG Asset Model Gringill (Big).png|100x100px]]<br>[[Big Gringill|Giant Gringill]]

|Large Gringills restricted to underwater caves. They snap at Mario when approached. Giant Gringills react slower than the normal-sized ones.

|data-sort-value=Urc|[[File:Galaxy Urchin.jpg|100x100px]]<br>[[Urchin]]

|Sea creatures with protractible spines. Urchins roll towards Mario when in close proximity. They are damaged only by shells and fireballs.

|data-sort-value=Gro|[[File:RedUrchins.png|100x100px]]<br>[[Ground Urchin]]

|Red Urchins found in warm areas. When Mario draws near, they protract their spines and roll towards him. Ground Urchins can only be defeated by fire and [[lava]]. There is a box-like stone sculpture in Freezeflame Galaxy that continuously expels Ground Urchins.

|data-sort-value=Cla|[[File:SMG Asset Model Clampy.png|100x100px]]<br>[[Clampy]]

|A giant oyster that opens and closes its mouth. [[Star Chip]]s or coins can be found inside it. Snapping shut with Mario inside damages him.

|data-sort-value=Bat|[[File:SMG Bat Artwork.png|100x100px]]<br>[[Bat (Super Mario Galaxy)|Bat]]

|Hog-nosed bats that roost in caves. They swoop down to attack Mario. A bat stops to laugh when it lands a hit. Stomping or spinning one defeats it.

|data-sort-value=IcA|[[File:SMG Ice Bat.png|100x100px]]<br>[[Ice bat]]

|White bats. Making direct contact freezes Mario. They are defeated only by fire.

|data-sort-value=Cat|[[File:CataquackSMG.png|100x100px]]<br>[[Cataquack]]

|Duck-like creatures that toss Mario high into the air. Cataquacks immediately charge towards Mario after making visual contact. They otherwise idly walk in circles or sleep on the ground. Spinning one or performing a Ground Pound dazes it. They drown if led into water.

|data-sort-value=Tox|[[File:Tox Box SMG.png|100x100px]]<br>[[Tox Box]]

|data-sort-value=Boo|[[File:BooSMG.png|100x100px]]<br>[[Boo]]

|Ghost enemies. Boos pursue Mario when his back is turned towards them. If Mario looks directly at one, it stops moving and shields its eyes. Spinning one shifts its position and forces it through nearby walls, but it is undamaged. Boos are weak only to light – including the headlamp of the [[Captain Toad|Toad Brigade captain]]. Some Boos are found underwater. Mario can transform into one via the [[Boo Mushroom]], which causes nearby Boos to become enamored and give chase.

|data-sort-value=Bom|[[File:SMG Bomb Boo Model.png|100x100px]]<br>[[Bomb Boo]]

|Explosive Boos that pursue Mario on sight. Unlike normal Boos, Bomb Boos do not cower when Mario looks at them. When spun, Mario grabs onto a Bomb Boo's tongue and swings it like a {{wp|lasso}}. It detonates if it is swung into an object or wall. If Mario does not release the Bomb Boo, it is pulled in closer and damages him. Bomb Boos are conjured by [[Bouldergeist]] and can destroy the boss's stone armor.

|data-sort-value=Ato|[[File:SMG Asset Model Big Boo.png|100x100px]]<br>[[Big Boo|Atomic Boo]]

|A large Boo. It is defeated only with a light source. The [[Spooky Speedster]] is an Atomic Boo.

|data-sort-value=Bom|[[File:SMG Asset Model Bomp.png|100x100px]]<br>[[Bomp]]

|data-sort-value=31|[[Deep Dark Galaxy]]

|data-sort-value=Pul|[[File:SMG Ring Beam model.png|100x100px]]<br>[[Pulse Beam]]

|data-sort-value=Blo|[[File:BlooperSMG.png|100x100px]]<br>[[Blooper]]

|Underwater squids. Bloopers swim erratically when approached by Mario to strike him. Spinning one or striking it with a shell defeats it. They release a cloud of ink when defeated.  

|data-sort-value=SpiC|[[File:SMG Asset Model Spiny Cheep Cheep.png|100x100px]]<br>[[Spiny Cheep Cheep|Spiny Cheep-Cheep]]

|{{wp|Porcupinefish}} enemies that protract their spines and charge towards Mario on sight. They are only found within sunken [[treasure chest]]s.

|data-sort-value=Che|[[File:SMG Cheep Cheep.png|100x100px]]<br>[[Cheep Cheep]]

|Pudgy red fish. Underwater, they passively swim in circles. On land or shallow water, they bounce around in a set trajectory. They are defeated when stomped or spun.

|data-sort-value=IcU|[[File:BrrrBit.png|100x100px]]<br>[[Li'l Brr|Ice Bubble]]

|Floating ice enemies that freeze Mario on contact. Spinning an Ice Bubble neutralizes its icy cloud and grounds it, leaving it vulnerable to being kicked. Neutralized Ice Bubbles propel themselves towards the nearest pools of [[freezing water]] to restore their clouds.

|data-sort-value=Li|[[File:BurnBit.png|100x100px]]<br>[[Li'l Cinder]]

|Floating fire enemies that burn Mario on contact. Li'l Cinders otherwise behave like Ice Bubbles. Grounded Li'l Cinders hop towards the nearest lava to reignite.

|data-sort-value=Clu|[[File:SMG Asset Model Cluckboom.png|100x100px]]<br>[[Cluckboom]]

|[[Plurp]]-like enemies that lay explosive eggs. Cluckbooms fly in set paths, fluttering back and forth. One falls to the ground when shot be a Star Bit, leaving it open to attack.

|data-sort-value=Bon|[[File:SMG Asset Model Tweester.png|100x100px]]<br>[[Bone Twister]]

|Whirlwinds that move along set paths. Bone Twisters trap Mario on contact, but this does not damage him. Mario is propelled high into the air like a {{wp|bamboo-copter}} if he spins while inside. Some Bone Twisters carry jagged rocks that damage Mario if he makes contact.

|data-sort-value=CraR|[[File:SMG Asset Model Crabber (Red).png|100x100px]]<br>Crabber (Red)

|Sidestepping [[crab]]s that scuttle away from Mario. Crabbers have hard shells that protect them from stomps and spins head-on, but their fleshy rears are exposed and can be struck. Red Crabbers actively pursue Mario but move slowly.

|data-sort-value=CraB|[[File:SMG Asset Model Crabber (Blue).png|100x100px]]<br>[[Crabber]] (Blue)

|Blue Crabbers appear in smaller amounts than the red ones and bury themselves underground in an attempt to escape and resurface shortly after.

|data-sort-value=Jammy|[[File:Jammyfish Bigmouth SMG.png|100x100px]]<br>[[Jammyfish]]

|[[Jellyfish]] that swim in schools along set paths. They damage Mario on contact but do not actively pursue him.

|data-sort-value=Jam-o|[[File:SMG Jellyfish Model.png|100x100px]]<br>[[Jam-o'-War]]

|Large Jammyfish that idly float in place and electrocute Mario when touched. Striking a Jam-o'-War with a shell twice defeats it. The first strike turns it green.

|data-sort-value=Mec|[[File:Mecha-KoopaSMG.png|100x100px]]<br>[[Mechakoopa|Mecha-Bowser]]

|Mechanical Koopas that breathe fire. Spinning Mecha-Bowsers swing their heads back and delay their fire attack. They are defeated when Ground Pounded.

|data-sort-value=Bon|[[File:SMG Asset Model Kobone.png|100x100px]]<br>[[Bonefin]]

|Undead sharks. They appear alongside [[Kingfin]], who summons them from a hydrothermal vent as he accumulates damage. Bonefins lock onto Mario when he is near. Striking one with a shell defeats it, as does leading it to the water's surface defeats it. All Bonefins disappear when Kingfin is defeated.

{|class="wikitable col2left" style="--bg1:white;width:100%;text-align:center"

|[[File:SMG Banzai Blaster.png|100x100px]]<br>[[Banzai Bill Cannon]]

|Giant cannons that shoot [[Bomber Bill|Banzai Bill]]s.

|[[File:SMG Screenshot Bars.png|100x100px]][[File:SMG Screenshot Wall.png|100x100px]]<br> [[bars (Boo Mario)|Bars / Crystal]]

|Thin barriers that can only be phased through by [[Boo Mario]] while he is invisible.

|[[File:SMG Bill Blaster.png|100x100px]]<br>[[Bill Blaster]]

|Cannons that shoot [[Bullet Bill]]s. Bill Blasters are mounted onto the surface of planets, integrated into the walls of terrain, and attached to the sides of [[airship]]s. Many Bill Blasters are built into the body of [[Megaleg]]. The cannons do not shoot more than one Bullet Bill at a time.

|[[File:SMG Asset Sprite Black Hole.png|100x100px]]<br>[[Black hole]]

|Bottomless voids with their own [[gravity]]. [[Mario]] is pulled into black holes if he gets too close and lose a life. They exist in the center of several spherical planets and function similarly to [[bottomless pit]]s.

|[[File:SMG Screenshot Bone.png|100x100px]]<br>Bone<ref>Black, page 145</ref>

|Floating barriers in courses where Mario races the [[Spooky Speedster]]. They can obstruct Mario's path. Most bones have simple designs and are purely obstructive, but some are ribs that shift up and down. Some are encased in [[meat]] that bounce Mario on contact. Few are cackling skulls.

|[[File:SMG Screenshot Bramble.png|100x100px]]<br>[[Bramble]]

|Thick, thorn-covered vines that damage Mario on contact.

|[[File:SMG Screenshot Bumper.png|100x100px]]<br>[[Bumper (Super Mario series)|Bumper]]

|Floating objects that bounce Mario on contact.

|[[File:SMG Burner.png|100x100px]]<br>[[Burner]]

|Cannons that create small explosions. It takes a few seconds for them to charge up.

|[[File:SMG Cannon Firing Cannonball.png|100x100px]]<br>[[Cannon]]

|Enemy cannons that shoot [[cannonball]]s. They are built into the sides of terrain. Cannons fire continuously in set intervals that can be timed. Shooting a cannonball with a Star Bit destroys it and releases a coin.

|[[File:SMG Screenshot Chomp Cannon.png|100x100px]]<br>[[Chomp box]]

|Giant turrets that release [[Chain Chomp|Chomps]]. Little doghouse-like Chomp boxes release [[Small Chomp|Mini Chomp]]s.

|[[File:SMG Screenshot Crushing Pillar.png|100x100px]]<br>Crushing pillar<ref>Black, page 111</ref>

|Walls that shift up and down. Mario loses a life if crushed.

|[[File:SMG Screenshot Dark Matter.png|100x100px]]<br>[[Dark matter]]

|Dark matter disintegrates Mario on contact, costing him a life.

|[[File:SMG Asset Model Electric Ball.png|100x100px]]<br>[[Electric Ball]]

|Metal orbs that spin around the sides of disc-shaped planetoids. They are similar to [[Amp]]s and electrocute Mario on contact.

|[[File:SMG Screenshot Electric Rail (Green).png|100x100px]]<br>[[Electric rail]]

|Electric barriers. They emit either green or red electricity and move horizontally in some galaxies. [[Spiky Topman|Spiky Topmen]] are defeated when spun into electric rails. This is also the only way to damage [[Topmaniac]].

|[[File:SMG Eye Beamer Model.png|100x100px]]<br>[[Eye Beamer]]

|Beamers with flat backs that are suspended above ground. Eye Beamers fire electric beams that damage Mario on contact. Some move while others are stationary. Their backs are nondamaging and can be used as platforms.

|[[File:SMG Fire Bar screenshot.png|100x100px]]<br>[[Fire Bar]]

|Rotating bars of fireballs that burn Mario on contact.

|[[File:SMG Steam Jet.png|100x100px]]<br>[[Fire geyser]]

|Hot steam forced from the ground. Making contact burns Mario.

|[[File:SMG Screenshot Freezing Water.png|100x100px]]<br>[[Freezing water]]

|[[Water]] so frigid that it gradually depletes Mario's [[Health Meter|life meter]] if he tries to swim through it. When Mario enters freezing water, the screen is briefly disrupted by a static-like visual effect, readily differentiating it from normal bodies of water. During "[[Hot and Cold Collide]]", this water [[water tide|rises and falls]] on one of the planets.

|[[File:SMG Screenshot Honey.png|100x100px]]<br>[[Honey]]

|A sweet substance collected by [[Honeybee]]s. Honey reduces Mario's movement the same way mud does.

|[[File:SMG Screenshot Ice Sphere.png|100x100px]]<br>[[Bowser's Galaxy Reactor#Ice sphere|Ice sphere]]

|An ice planet. The surface is so cold that direct contact makes Mario leap as if he was burned and reduces his life meter.

|[[File:SMG Screenshot Lava.png|100x100px]]<br>[[Lava]]

|Direct contact with lava burns Mario and makes him bounce into the air with his hands on his rear. Some small planets are completely covered in it. On others, the lava rises and falls like the [[lava tide|tide]].

|[[File:SMG Screenshot Fireball.png|100x100px]]<br>[[Lava burst]]

|Trailing balls of lava. They move slowly and burn Mario on contact. They typically move in arcs.

|[[File:SMG Asset Model Lava Geyser.png|100x100px]]<br>[[Lava Geyser]]

|Lava Geysers rise and fall in set intervals that can be timed. A rise is always proceeded by rapid bubbling on the lava's surface.

|[[File:SMG Asset Model Meteor.png|100x100px]]<br>[[Meteor]]

|Fiery space rocks. [[Bowser]] shoots them from his mouth to destroy the big staircase in Bowser's Star Reactor, and Bowser Jr. fires them from the cannons in his [[airship]]. They otherwise occur raining from the sky.  

|[[File:SMG Screenshot Moving Sand.png|100x100px]]<br>[[Moving sand]]

|Rapidly flowing sand. Mario can stand on it but is brought down his intended trajectory and potentially into hazards. During "[[Treasure of the Pyramid]]", the [[sand tide|sand rises]] inside of a pyramid.

|[[File:SMG Screenshot Mud.png|100x100px]]<br>[[Mud]]

|Mario's movement speed and jump height is reduced while he is in mud. This puts him at potential risk if dangerous enemies are nearby.

|[[File:SMG Screenshot Poison.png|100x100px]]<br>[[Poison (obstacle)|Poisonous swamp]]

|Toxic sludge. If Mario falls into a poisonous swamp, he sinks and loses a life.

|[[File:SMG Asset Model Prickly Thorn Plant.png|100x100px]]<br>[[Thorny flower|Prickly plant]]

|Plants with damaging, needle-like flowers. One is destroyed only through the use of projectiles, like [[rubbery bulb]]s. Destroying a prickly plant can reward Mario with three Star Bits, a coin, or a [[Sling Star]]. Some plants are [[giant prickly plant|giant]] and drop seven Star Bits when destroyed. Airborne ones appear in Gusty Garden Galaxy.

|[[File:SMG Screenshot Quicksand.png|100x100px]]<br>[[Quicksand]]

|Shifting sands. It functions identically to poison in that it rapidly causes Mario to sink and lose a life.

|[[File:SMG Screenshot Snow.png|100x100px]]<br>[[Snow]]

|Powdery snow that reduces Mario's speed when walked through. The snow is cleared when the [[Star Pointer]] is waved over it or with [[fireball]]s.

|[[File:SMG Asset Model Spike Trap.png|100x100px]]<br>[[Spike Trap|Spikes]]

|Spikes damage Mario on contact, and generally appear attached to terrain and shifting objects. [[Lift]]s with spikes embedded into their sides appear in a few galaxies, and {{wp|Iceberg|bergy bits}} in "[[Wall Jumping up Waterfalls]]" are covered in ones made of ice.

|[[File:SMG Screenshot Spotlight.png|100x100px]]<br>Spotlight

|The light defeats enemy [[Boo]]s, but it also forces Boo Mario back into his [[Mario|normal form]].

|[[File:SMG Asset Model Banekiti.png|100x100px]]<br>[[Spring (Super Mario Galaxy)|Spring]]

|Floating springs in narrow caverns. They knockback Boo Mario on contact but do not cause damage.

|[[File:SMG Torpedo Hasshadai.png|100x100px]]<br>[[Torpedo tube]]

|Underwater cannons that shoot [[Torpedo Ted]]s.

|[[File:SMG Screenshot Whirlpool.png|100x100px]]<br>[[Whirlpool]]

|Swirling vortices of water. Contact pushes Mario and temporarily stuns him, but it does not cause damage.

{|class="wikitable col2left" style="--bg1:white;width:100%;text-align:center"

|[[File:DinoPiranha.png|100x100px]]<br>[[Dino Piranha]]

|A [[Piranha Plant]] boss with a clubbed tail. It charges after [[Mario]] when he is in its line of sight. [[Spin]]ning into its club knocks it at its head, damaging it. It charges faster after the first strike.

|[[File:KingKalienteProfile.png|100x100px]]<br>[[King Kaliente]]

|A giant [[Rocto]] that sits in [[lava]]. He shoots [[coconut]]s<ref name=fruit group=note/> and flaming rocks at Mario. Spinning into a coconut sends it back and damages him. He starts to parry these attacks as the fight progresses.

|[[File:SMG Asset Model Mandibug (Parent and Child).png|100x100px]]<br>[[Mandibug Stack]]

|A [[Mandibug]] that carries its child on its back. Both can be defeated by performing a [[Ground Pound]]. Defeating the child angers the parent and makes it harder to strike.

|[[File:SMG Bugaboom Artwork.png|100x100px]]<br>[[Bugaboom]]

|A giant, winged Mandibug that tries to bite Mario with its jaws and can be damaged with a Ground Pound. Bugaboom takes flight after being struck once and starts releasing explosive droppings as it flies.

|[[File:SMG Megaleg and Moon Model.png|100x100px]]<br>[[Megaleg]]

|A giant robot. Its legs are covered with gravitational panels that enable Mario to walk up its body. [[Bill Blaster]]s are built into its body. A [[Grand Star]] is caged on its head that can be freed with a lured Bullet Bill.

|[[File:Kamella SMG.png|100x100px]]<br>[[Kamella]]

|A [[Magikoopa]] boss. She launches magical fireballs and [[Green Shell]]s from her wand. Striking her with shells is the only way to damage her. She starts to erratically teleport as the fight progresses.

|[[File:TarantoxSMG.png|100x100px]]<br>[[Tarantox]]

|A giant spider cocooned in silk. The green orbs covering its body are its weak points, which Mario can damage by launching himself at them with [[Sling Pod]]s. It spits acid after being hit once.

|[[File:Topmaniac.png|100x100px]]<br>[[Topmaniac]]

|A large [[Topman]] with serrated edges. Jumping on its head makes the blades retract, allowing Mario to safely spin it into an [[electric rail]].

|[[File:Bowser - Super Mario Galaxy.png|100x100px]]<br>[[Bowser]]

|The fire-breathing king of [[Koopa (species)|Koopa]]s. He launches himself to the sky and back to generate shockwaves. Luring him above a glass panel causes him to crash through and burn his tail on lava. This leaves him vulnerable to a spin attack. He can conjure stone armor and roll like a [[Ruby Rock]]. He refers to Mario as his "[[Bowser#Foes|archenemy]]".<ref>{{cite|quote=Not bad! I guess I chose the right guy to be my archenemy.|author=[[Bowser]] during "[[Darkness on the Horizon]]"|title=''Super Mario Galaxy'' by [[Nintendo EAD Tokyo]]|format=North American Localization|publisher=Nintendo of America|date=12 Nov. 2007|accessdate=18 May 2023}}</ref>

|[[File:Bouldergeist SMG.png|100x100px]]<br>[[Bouldergeist]]

|A ghost covered in rocks. It launches rocks and erects stone spikes from the ground to damage Mario. Attacking it with [[Bomb Boo]]s destroys its armor and leaves it vulnerable to attack. During the second phase, it constructs giant hands to attack Mario and protect its body. It is the one who kidnaps [[Luigi]].<ref name=geist/>

|[[File:SMG BowserJr.png|100x100px]]<br>[[Bowser Jr.]]

|Bowser's son. He rides a miniature [[airship]] that fires Bullet Bills and [[cannonball]]s at Mario. Magikoopas aide Bowser Jr. during the fight. Throwing shells at the airship damages it and eventually makes it sink. Bowser Jr. otherwise has a recurring story presence throughout the game.

|[[File:Major Burrows Artwork.png|100x100px]]<br>[[Major Burrows]]

|A giant [[Undergrunt]] chasing a [[Star Bunny]]. He burrows towards Mario before bursting from the ground with swiping claws. Performing a [[Ground Pound]] on the earth when his head is exposed forces him to the surface and leaves him vulnerable to a spin attack.

|[[File:Baron Brrr.png|100x100px]]<br>[[Baron Brrr]]

|A big [[Li'l Brr|Ice Bubble]]. He fires ice balls that freeze Mario on contact. If close, he thrusts himself downward and generates a freezing shockwave. Being close to the ground leaves him vulnerable to being spun, which extinguishes his icy aura.

|[[File:Undergrunt Gunner.png|100x100px]]<br>[[Undergrunt Gunner|Water Bazooka]]

|Blue rotating [[cannon]]s operated by [[Undergrunt Gunner]]s. They fire drops of water that trap Mario on contact. The glass-encased cockpit is the weak point.

|[[File:SMG Asset Model Mecha-Bowser.png|100x100px]]<br>[[Toy Time Galaxy#Mecha-Bowser|Mecha-Bowser]]

|An enormous robot modeled after Bowser. [[Gearmo]]s are trapped inside of its mouth. To free them and destroy the robot, the stack of [[stone wheel]]s on top of its head must be Ground Pounded.

|[[File:Undergrunt Gunner Close-Up.jpg|100x100px]]<br>[[Undergrunt Gunner|Electric Bazooka]]

|A yellow cannon operated by an Undergrunt Gunner. This one shoots balls of electricity that home-in on Mario.

|[[File:SMG Kingfin Artwork.png|100x100px]]<br>[[Kingfin]]

|A massive shark that is guarded by a school of [[Bonefin]]s. It is vulnerable to shells. As it swims, it destroys underwater pillars. It does not actively pursue Mario, but it summons more Bonefins as the battle progresses.

|[[File:SMG Burnt Kaliente.jpg|100x100px]]<br>Black King Kaliente

|A stronger variant of King Kaliente. He launches more projectiles and can immediately parry attacks. He causes [[meteor]]s to rain from the sky during the battle.

|[[File:Firey Dino Piranha.png|100x100px]]<br>Black Dino Piranha

|A speedy Dino Piranha. Its clubbed tail periodically catches fire. The flames burn Mario and prevent him from spinning the club. After making a successful strike, the Dino Piranha becomes faster, leaving walls of flames in its wake as it spews giant fiery balls. Defeating this boss without being damaged requires well-timed precision.

{|class="wikitable col2left" style="--bg1:white;width:100%;text-align:center"

|[[File:PowerstarSMG.png|100x100px]]<br>[[Power Star]]s

|Objects that power the [[Comet Observatory]]. They are stolen by [[Bowser]] to create a galaxy of his own at the [[Bowser's Galaxy Reactor|center of the universe]]. Collecting them completes missions and unlocks new levels. It is inferred that yellow [[Luma]]s can become Power Stars at the end of their lifespans.

|[[File:Greenstar.png|100x100px]]<br>[[Green Star|Green Power Star]]s

|Hidden Power Stars. Collecting one attracts a green-colored Luma to the observatory. Collecting all three grants [[Mario]]<ref name=luigi group=note/> access to the [[Planet of Trials]] and its [[Trial Galaxies]]. The green Lumas become these Power Stars at the end of their lifespans.

|[[File:SMG Asset Model Power Star (Red).png|100x100px]]<br>[[Red Power Star]]

|A Power Star affiliated with the [[Red Star]] power-up. Only one mission involves this Power Star, and collecting it makes the Red Star available in the Comet Observatory. Red Lumas can become these at the end of their lifespans.

|[[File:SMG Asset Model Silver Star.png|100x100px]]<br>[[Silver Star]]s

|Small Stars that represent one-fifth of a Power Star and are contained in bubbles. Silver Stars squeal like Lumas and trail after Mario when he pops their bubbles. When five are collected, they merge to form a full Power Star.

|[[File:GrandStar.png|100x100px]]<br>[[Grand Star]]s

|Giant Power Stars of considerable energy. They are usually in the possession of bosses. Collecting them makes the beacon expand in size, restores light to the observatory, and unlocks new domes.

|[[File:StarBits.png|100x100px]]<br>[[Star Bit]]s

|Colorful objects that are eaten by Lumas. They are found floating in space and raining from the sky. They are collected when Mario makes physical contact or when they are touched with the [[Star Pointer]]. The Star Pointer works like a {{wp|reticle}}: pressing {{button|wii|B}} shoots a Star Bit at its on-screen positioning, and holding the button shoots them rapidly. Most enemies are stunned when struck by Star Bits. Fired Star Bits can be recovered by spinning, but only while using a Red Star or swimming underwater. [[Hungry Luma]]s transform into planets and galaxies when fed a requested number of Star Bits. Mario does not lose accumulated Star Bits if he loses a life during a mission, and they are added to total when he returns to the observatory. Collecting fifty Star Bits gives Mario an extra life.

|[[File:SMG Asset Model Coin.png|100x100px]]<br>[[Coin]]s

|Collecting a coin restores one bar to Mario's life meter. Collecting fifty during a mission gives Mario an extra life. If Mario loses a life during a mission, he loses all of the coins he collected within that specific mission.

|[[File:SMG Asset Model Purple Coin.png|100x100px]]<br>[[Purple Coin]]s

|Coins that only appear in a galaxy when [[Prankster Comet#Purple Comet|Purple Comet]]s are in orbit. Collecting 100 awards Mario with a Power Star.

|[[File:SMG Asset Model Question Coin.png|100x100px]]<br>[[? Coin]]s

|Big coins with inconsistent properties. Making contact with one has different results depending on the level. Touching one can make a power-up, mushroom, note, or another ? Coin appear. They do not contribute to Mario's coin count.

|[[File:SMG Asset Model Note.gif|100x100px]]<br>[[Note]]s

|Music notes which can appear when Mario touches a ? Coin. They appear in trails in the immediate vicinity and disappear after a few seconds. Collecting every note before they can disappear awards Mario with a power-up, a mushroom, or a Power Star.

|[[File:SMG Asset Model Green Shell.png|100x100px]]<br>[[Green Shell]]s

|Shells of green [[Koopa Troopa]]s. Mario grabs one when he makes contact or [[Spin|spins]] near it. Shaking {{button|wii|wiimote}} makes Mario throw it. Green Shells travel in a continuous forward trajectory and defeats enemies on contact. Holding a Shell while underwater makes Mario automatically propel forward at a faster speed than if he were to swim on his own. It also emits a light from the front of the shell that helps orient the player and can defeat [[Boo]]s.

|[[File:SMG Asset Model Red Shell.png|100x100px]]<br>[[Red Shell]]s

|Shells of red Koopa Troopas. They home-in on nearby targets when thrown. They give Mario a greater speed boost underwater than Green Shells.

|[[File:SMG Asset Model Gold Shell.png|100x100px]]<br>[[Gold Shell]]s

|Golden Koopa Shells. Of all the shells, these ones give Mario the greatest speed boost. They function identically to a Green Shell when thrown.

|[[File:SMG Asset Model Bomb.png|100x100px]]<br>[[Bomb]]s

|Disengaged [[Bob-omb]]s that can be picked up and tossed. They explode on impact. Bombs are used during [[Bob-omb Blasting]] to clear [[trash]].

|[[File:SMG Asset Model 1-Up Mushroom.png|100x100px]]<br>[[1-Up Mushroom]]s

|Green mushrooms that give Mario an [[extra life]] when obtained. They are sold at [[Lumalee|Luma Shops]].

|[[File:SMG Life Shroom Artwork.png|100x100px]]<br>[[Life Mushroom]]s

|Red mushrooms that doubles the amount of bars in Mario's health meter from three to six. If Mario loses three bars, they cannot be restored. The life meter returns to just three bars when Mario completes the mission, even if at full health. This mushroom is sold at Luma Shops.

|[[File:SMG Bubble.png|100x100px]]<br>[[Bubble]]s

|Air bubbles appear underwater, often released by [[Bubbler (object)|bubblers]] on the seafloor. Making contact with one refills Mario's air meter.

|[[File:SMG Asset Model Key.png|100x100px]]<br>[[Key]]s

|Collecting a key opens a corresponding case or Key Door, granting Mario access to a new area.

|[[File:SMG Asset Model Star Chip (Yellow).png|100x100px]]<br>Yellow [[Star Chip]]s

|Star fragments that each represent one-fifth of a [[Launch Star]] or [[Sling Star]]. Collecting five causes them to merge into either depending on the level context.

|[[File:SMG Asset Model Star Chip (Blue).png|100x100px]]<br>Blue Star Chips

|Collecting five Blue Star Chips turns them into a [[Pull Star]].