Editing Larry

In the Japanese manual for ''Super Mario Bros. 3'', Larry speaks in a masculine manner while thinking lowly of the [[Mushroom World]]'s [[kings]] and suggesting he and his siblings only follow orders because they do not want Bowser to yell at them. The official strategy guide for ''Super Mario Bros. 3'' has Larry being depicted as taunting and arrogant, believing Mario will not deduce his weaknesses, and also has a strange accent where he pronounces "th-" syllables with "d" syllables. In the Wii U version of ''Mario & Sonic at the Rio 2016 Olympic Games'', Larry is shown to speak genuinely in a respectful way sometimes, as shown when the player beats him in Equesterian, where he admits that the player is too good, but then tells them to forget it and says, "Anything I'll say will sound like an excuse. I'll just have to give it my all next time!" In ''Mario is Missing!'', Larry even attempts to talk his way out of being defeated by Luigi when sensing that the latter is about to defeat him. In ''Mario Kart 8'', Larry's silhouette could be seen in the Electrodrome racetrack as a disk jockey, implying that he may have an interest in that profession, or an interest in music in general. The same game also has him operating a business known as [[List of sponsors in Mario Kart 8 and Mario Kart 8 Deluxe#Larry Lights|Larry Lights]], which based on the name implies that he does some electrician or pyrotechnic work. His Prima Official Game Guide bio of the game also states that he is a "cheatsy devil" (which may be a reference to his cartoon counterpart) and an experienced schemer. In volume 41 of ''[[Super Mario-Kun]]'', Larry was accused of being a {{wp|Nanpa|flirt}} by [[Blue Toad (character)|Blue Toad]], as he and [[Yellow Toad (New Super Mario Bros. series)|his brother]] caught Larry for hitting on their mother. In ''Paper Mario: Color Splash'', he is shown to be something of a glutton, as evidenced by his (anonymously) having Mario prepare a massive steak and specifically requesting that he wants the best prepared steak, the fact that he uses the train's chimney to revive stamina via hearts that a Shy Guy was delivering to him, and upon being beaten his deeply considering getting some lamb chops. Like in the instruction booklet for ''Super Mario Bros. 3'', Larry also makes clear that his motives for hijacking the train to get the Orange Big Paint Star is specifically to avoid upsetting Bowser, although in this case, he claims he pities Bowser when he is upset due to citing that his disappointed face was "heartbreaking." When he is defeated, Larry ends up stating he will have to go on the lam due to failing Bowser, feeling he cannot face him ever again, although the term "lam" caused him to think of getting lamb chops. When winning a medal, Larry also felt that his horse should at least get something for his hard work, and implies that he intends to get the horse carrots as his way of thanking it.

In ''The Adventures of the Super Mario Bros. 3'' and the ''Super Mario World'' animated series, Larry is known as Cheatsy and is given a personality to match his name, as he is sneaky, unfair, and devious. For example, he attempts to double-cross Bowser in his attempt to obtain the Mushroom Kingdom from Princess Peach in "[[Never Koop a Koopa]]". He also eavesdrops on a conversation between [[Mario]] and [[Yoshi]] in "[[The Yoshi Shuffle]]". It is also shown that he enjoys listening to music, as shown in the episode "Never Koop a Koopa", where he is ignoring his father's lecture and listening to music on a set of headphones. He seems to be sarcastic too, as shown in "[[Gopher Bash]]", he says ''Don't just help him! Stand there!'' to his minions. In the PC version of ''[[Mario is Missing! (PC)|Mario is Missing!]]'', Larry is shown acting tough as the first guard, but shows cowardice once Luigi gains a [[Fire Flower]] and has the potential to destroy him. Like Ludwig, he is also into horror to some degree, as seen in ''Hotel Mario'', since the room that the player fights him in is called "Larry's Scary Lair". His hotel itself is very dark and the entrance states, "THIS MINE IS MINE". Larry's hotel tagline may also indicate a greedy side to him, since the name of the hotel shows that Larry is very possessive of his belongings.

While the games do not reveal much about the relationship between Larry and his siblings, both ''Mario & Luigi: Paper Jam'' and the 3DS version of ''Mario & Sonic at the Rio 2016 Olympic Games'' reveal that Larry has some kind of admiration for Ludwig, whom he tries to imitate, although he still is not able to replicate all his moves without getting dizzy. In the former game, he always fights with Ludwig in the battles and is never seen alone with his other siblings, furthermore he also shows more respect towards him than his brothers, calling him ''boss'' and accepting to have him as his lead even after Ludwig's leadership among the Koopalings has been questioned;<ref>{{cite|author=BeardBear|date=December 3, 2015|url=www.youtube.com/watch?v=GlBs_Qspg6c|title=Mario & Luigi Paper Jam Walkthrough Part 27 {{!}} Neo Bowser Castle #5 & Bosses Koopalings|publisher=YouTube|accessdate=February 26, 2016}}</ref> in battle he also follows him trying to imitate his moves, but gets dizzy after spinning in the shell<ref name="PJLarryLudwig1stbattle" />. In the latter game, Larry's 1st place victory animation starts by imitating Ludwig's 2nd and 3rd place victory animation, but after spinning he again gets dizzy.<ref name="1stplaceRio3DS" /><ref>{{cite|author=Zephiel810|date=February 25, 2016|url=www.youtube.com/watch?v=vtAS9Ve453g|title=Mario and Sonic at the Rio 2016 Olympic Games (3DS) - All Character 2nd/3rd Place Animations|publisher=YouTube|accessdate=February 26, 2016}}</ref> In ''Bowser Jr.'s Journey'', he was also shown to be very defensive towards Morton, as when Bowser Jr. was chewing him out for "stealing" his glory, Larry cut in and began shouting at Bowser Jr. and telling him off regarding his behavior to Morton.

Like the other Koopalings, Larry has shown the ability to generate magic blasts and spit fireballs, as well as walk, run, jump and spin inside of his shell. He is usually the weakest of the group due to him being faced in battle before the others in most games. However, on some occasions he is actually the last to be fought and his abilities are altered accordingly. In ''New Super Mario Bros. Wii'' the only magic he can perform with his wand is to make a low heated blue fire ball. Unlike the other Koopalings, Larry does not show any signs of improvisation, as he keeps his battle tactics mostly the same when the player fights him the second time (neither has he ever used [[Warp Pipe]]s in his battles, unlike his siblings). In ''Mario & Luigi: Superstar Saga'' he has the same stats as Iggy and uses the same technique of spinning around at extreme speeds in order to make his foes dizzy. He is unique in that he uses a tennis racket to spar with the Mario Bros. before the actual battle, and uses the same racket during the battle to send back some of his fireballs intercepted by the Bros. hammers. He is also capable of utilizing poison and burn status effects as a deterrent against Bros. Attacks. In ''Hotel Mario'', he uses bowling balls against them. In ''New Super Mario Bros. 2'', he fires energy blasts at Mario that ricochet against obstacles, similar to Wendy's rings. He also used water geysers to his advantage in his battle in ''New Super Mario Bros. U''. In ''Super Mario World'', Larry shares Iggy's tactics against the Mario Bros. by throwing balls at them that he keeps in his shell. However, he also raises the stakes by having Podoboos periodically jump up, and flings balls at a faster frequency than Iggy. In addition, Larry seems to have superhuman durability, being dunked into lava and survived Mario destroying his castle while he was still in the lava in ''Super Mario World'', for example.