| Yoo Who Cannon | |
|---|---|
 
| |
| BP/SP/CP needed | 7 (Bowser's Inside Story) 12 (Brothership) |
| BP/SP/CP needed (remake) | 14/16 (Normal/Easy) (Bowser Jr.'s Journey) |
| Location | Toad Town |
| First appearance | Mario & Luigi: Bowser's Inside Story (2009) |
| Latest appearance | Mario & Luigi: Brothership (2024) |
| Bowser's Inside Story description | Remember which barrels the bros are in!  launches Mario;  launches Luigi!Target: All (random) Bonus effect: Nothing |
| Bowser's Inside Story + Bowser Jr.'s Journey description | 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  when a barrel with Mario in it aims at an enemy, or  when a barrel with Luigi in it does the same.
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Yoo Who Cannon is a Bros. Attack that appears in Mario & Luigi: Bowser's Inside Story, its remake Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey, 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 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 Cannons on screen; the player has to remember where they are. After a barrel rises, the player has to press the or 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 Shells, the Koopa Paratroopa Trio will give him and Luigi an Attack Piece Block which houses the 10 Attack Pieces required to use this move. In the remake, Yoo Who Cannons now aim at the enemy to hit upon being used.
It, 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 was originally going to appear in Mario & Luigi: Dream Team, but was scrapped from the final version.[1]
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 huge cannonball and dealing damage to all enemies if an "Excellent" is achieved.
GalleryEdit
Mario and Luigi using the Yoo Who Cannon
The Yoo Who Cannon in use in the 3DS remake
Names in other languagesEdit
| Language | Name | Meaning | Notes |
|---|---|---|---|
| Japanese | ぶんしんタルたいほう[?] Bunshin Taru Taihō |
Copy Barrel Cannon | |
| Chinese (traditional) | 分身桶大砲[?] Fēnshēn Tǒng Dàpào |
Doppleganger Barrel Cannon | |
| French (NOA) | Canon Ya-hou[?] | Ya-hoo Cannon | |
| French (NOE) | Barils cloneurs[?] | Cloning Kegs | |
| German | Fass-Geballer[?] | Barrel-Bombardment | |
| Italian | Barilcannone[?] | Portmanteau of "Barile" (Barrel) and "Cannone" (Cannon) | |
| Korean | 분신나무통대포[?] Bunsin Namutong Daepo |
Copy Wood Barrel Cannon | |
| Spanish (NOA) | Cañón Yuju[?] | Yoo-hoo Cannon | |
| Spanish (NOE) | Barrilazo Humano[?] | Human Barrel Hit ("-azo" is suffix for hitting something.) |