Editing Yoo Who Cannon

{{M&L attack infobox
|image=[[File:Yoo Who Cannon Sprite.png]] [[File:MLBISBJJYooWhoCannon.png]] [[File:M&LB Yoo Who Cannon icon.png|40px]]
|points=7 (''Bowser's Inside Story'')<br>12 (''Brothership'')
|points_(remake)=14/16 (Normal/Easy) (''Bowser Jr.'s Journey'')
|location=[[Toad Town]] (''Bowser's Inside Story'')<br>[[Shipshape Island]] (''Brothership'')
|first_appearance=''[[Mario & Luigi: Bowser's Inside Story]]'' ([[List of games by date#2009|2009]])
|latest_appearance=''[[Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey]]'' ([[List of games by date#2018|2018]])
|ml3=''Remember which barrels the bros are in! {{button|ds|A}} launches Mario; {{button|ds|B}} launches Luigi!<br>Target: All (random)<br>Bonus effect: Nothing''
|ml6=''Remember who got in which barrel. If it's Mario, press {{button|switch|A}}, if Luigi {{button|switch|B}}. Finally, press {{button|switch|x}} to launch.''
|mlb=''Four Marios and Luigis enter eight barrels. Take a good look and remember who's in which barrel at the start! To fire the cannon, press {{button|3ds|A}} when a barrel with Mario in it aims at an enemy, or {{button|3ds|B}} when a barrel with Luigi in it does the same.''
}}
{{multiple image
|align=left
|direction=vertical
|footer=A demonstration of the Yoo Who Cannon attack.
|width=185
|image1=Yoo who cannon.png
|image2=BISDX Yoo Who Cannon Illustration.png
}}
'''Yoo Who Cannon''' is a [[Bros. Attack]] that appears in ''[[Mario & Luigi: Bowser's Inside Story]]'', [[Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey|its remake]], and ''[[Mario & Luigi: Brothership]]''. It is automatically gained upon completing the [[Koopa Paratroopa Trio]]'s tutorial with the [[shell block]]. A part of its name is a pun on the interjection "yoohoo" and the word "who". It costs seven [[Bros. Point|SP]] to use this attack in ''Bowser's Inside Story'', fourteen/sixteen BP in its remake, and 12 BP in ''Brothership''.

When using this attack, [[Mario]] and [[Luigi]] will briefly appear in eight [[Barrel Cannon]]s on screen; the player has to remember where they are. After a barrel rises, the player has to press the {{button|ds|A}} or {{button|ds|B}} button, depending on which brother was sitting there but, the player has to press that button before the fuse reaches the barrel to damage the enemy. If the wrong button is pressed or if the player takes too long, the other barrels will be destroyed, and the move will prematurely end with little damage being dealt. After teaching Mario how to use [[Blue Shell]]s, the [[Koopa Paratroopa Trio]] will give him and Luigi an [[Attack Piece Block]] which houses the 10 [[Attack Piece]]s required to use this move. In the remake, Yoo Who Cannons now aim at the enemy to hit upon being used.

It, [[Green Shell#Mario & Luigi series|Green Shell]], [[Mighty Meteor]] and [[Snack Basket]] are the only Special Attacks that are mandatory to complete the game.

This move is available for use in the [[Challenge Node]]. It becomes trickier when remembering the order becomes shorter.

Yoo Who Cannon [[List of Mario & Luigi: Dream Team pre-release and unused content|was originally going to appear]] in ''[[Mario & Luigi: Dream Team]]'', but was scrapped from the final version.<ref>{{cite|url=www.spriters-resource.com/3ds/marioluigidreamteam/sheet/63828|title=3DS - ''Mario & Luigi: Dream Team'' - Yoo Who Cannon (Unused)|publisher=The Spriters Resource|language=en|accessdate=January 8, 2025}}</ref>

Yoo Who Cannon returns in ''[[Mario & Luigi: Brothership]]'' as a Luigi-exclusive Bros. Attack, and now involves placing an additional, massive cannon behind the enemy ranks to catch the fired brothers, unleashing all eight as a giant bowling ball and dealing damage to all enemies if an "Excellent" is achieved (similar to the [[Toad Trail]] finisher); firing at the wrong time will cause the barrel to explode and the Bros. and copies to spill out; additionally, said copies vanish harmlessly while the real Mario Bros. head back to their spots.
{{br|left}}

==Gallery==
<gallery>
Yoo who cannon.PNG|Mario and Luigi using the Yoo Who Cannon
YooWhoCannon3DS.png|The Yoo Who Cannon being used in {{a|M&LBIS+BJJ}}
M%26LBrothership_YooWhoCannon.jpg|The Yoo Who Cannon in ''[[Mario & Luigi: Brothership]]''
</gallery>

==Names in other languages==
{{foreign names
|Jpn=ぶんしんタルたいほう
|JpnR=Bunshin Taru Taihō
|JpnM= Copy Barrel Cannon
|Dut=Duokanon
|DutM=Duo cannon
|SpaA=Cañón Yuju
|SpaAM=Yoo-hoo Cannon
|SpaE=Barrilazo Humano
|SpaEM=Human Barrel Hit ("-azo" is suffix for hitting something.)
|FreE=Barils cloneurs
|FreEM=Cloning Kegs
|FreA=Canon Ya-hou
|FreAM=Ya-hoo Cannon
|Kor=분신나무통대포
|KorR=Bunsin Namutong Daepo
|KorM=Copy Wood Barrel Cannon
|Ita=Barilcannone
|ItaM=Portmanteau of ''barile'' ("barrel") and ''cannone'' ("cannon")
|Ger=Fass-Geballer
|GerM=Barrel-Bombardment
|ChiT=分身桶大砲
|ChiTR=Fēnshēn Tǒng Dàpào
|ChiTM=Doppleganger Barrel Cannon
|Por=Multicanhão
|PorM=Multicannon
|PorC=<ref>''Mario & Luigi: Brothership'' in-game name (Brazilian Portuguese localization)</ref>
}}

==References==
<references/>

{{Barrels}}
{{M&LBIS}}
{{M&LB}}
[[Category:Barrels]]
[[Category:Mario & Luigi: Bowser's Inside Story attacks]]
[[Category:Mario & Luigi: Brothership attacks]]
[[it:Barilcannone]]