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Bowser's Inside Story + Bowser Jr's Journey Enemy
MLBISBJJJailgoonGoomba.png MLBISBJJJailgoonBobomb.png
Location(s): Bowser's Castle
Level: 17
HP: 210
POW: 234
DEF: 136
Experience: 340
Coins: 55
Item Drop: Fiery Drumstick - 15%
Super Cheese - 20%
Fire: Weak
Jump: Normal
Hammer: Normal
Battled by: Anyone
Burn: Immune
Dizzy: 1x
Stat Down: 1x
Speed down: 1x
Bowser's Inside Story Enemy
Jailgoon Goomba.gifJailgoon Bob-omb.gif
Location(s) Bowser's Castle
Battled by Anyone
Level 27
HP 183 (275)
POW 215 (538)
DEF 93 (140)
SPEED 44 (66)
Fire Half
Burn? Immune
Dizzy? Normal
Stat Down? Normal
KO? Normal
Experience 340
Coins 55 (83)
Item Drop TNT Drumstick - 5%
  • The second set of numbers next to the enemy's HP, POW, DEF, SPEED and Coins are stat increases from the Challenge Medal accessory; a 50% increase for HP, DEF, SPEED and Coins earned, and a 150% increase for POW.

Jailgoons are living cage enemies with one of Bowser's minions inside only found in Mario & Luigi: Bowser's Inside Story, in Bowser's Castle.

Jailgoons contain either a Bob-omb or a Goomba imprisoned inside them. These minions are apparently still loyal to Bowser, but have been locked away by Fawful to prevent trouble. It has a cannon and shield for arms. They attack by either shooting cannonballs at the characters with their cannon or ramming into the character with their shield. Bowser can withdraw into his shell to avoid being hit by the cannonball attack. If it attempts to ram him with its shield, he must punch it repeatedly until it backs off, or it will hit him with its cannon. After a Jailgoon is defeated, the minion will break out of the cage and reward Bowser with a Mushroom (a Drumstick in the remake) that heals 30 HP, then promptly flee. If a Jailgoon is defeated by Mario and Luigi, they do not receive a mushroom. The only difference between the Jailgoons is if Bowser breathes fire at a Jailgoon with a Bob-omb inside, then its fuse will be lit and it explodes next turn, taking out the Jailgoon in the process. However, since the captive Bob-omb was destroyed as well, Bowser will not get a mushroom.

Bowser can use the Vacuum Block to inhale a Blitty from Jailgoons.

In Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey, in battle, they can blare their sirens to summon another Jailgoon. Furthermore, they no longer shoot cannonballs at Mario and Luigi in the overworld, and only one Jailgoon can be encountered rather than being fought with Magifoofas when battling them.

Names in other languages[edit]

Language Name Meaning
Japanese ジェイルン
From the English word "jail"
Spanish (NOA) Atrapatórax Pun of atrapar (trap) and tórax (thorax).
Spanish (NOE) Jaulito From Jaula, which means cage. -ito is an "affection" sufix.
French (NOA) Cage à bras Literally Cage with arms
German Gitterritter Literally fenceknight
Italian Sir Cellotto Pun on "Sir Lancillotto" (Sir Lancelot) and "cella" (cage)


  • Oddly, in the original Nintendo DS version, if Mario and Luigi use a Fire Flower on a Jailgoon with a Bob-omb, the Bob-omb will not explode. Bowser's Flame First Strikes don't work either.
  • Jailgoons are one of the few enemies to not appear in Bowser Jr.'s Journey.