Bomb Boo

"When they hit something, they go BOOM!"

- Mailtoad

Bomb Boos are the explosive, black-colored variety of the Boos that appear in Super Mario Galaxy, Super Mario Galaxy 2, Mario & Luigi: Superstar Saga + Bowser's Minions, and Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey.

Super Mario Galaxy
In Super Mario Galaxy, Bomb Boos have only appeared in two galaxies: the Ghostly Galaxy; during the missions Beware of Bouldergeist and Bouldergeist's Daredevil Run and in the Boss Blitz Galaxy; during the missions Throwback Throwdown and Throwback Throwdown Speed Run. They are necessary to defeat Bouldergeist. Bomb Boos float lazily back and forth, exploding after some time, but they do move towards Mario or Luigi if they get close to them. If the player Spins near one, Mario or Luigi will grab its tongue, and it will get spun around until it hits something. If Mario or Luigi holds on to the Bomb Boo for too long, they will let go of it.

If the player holds it for too long, it will begin to flash red. If the player does not let go of it then, the Bomb Boo will explode, injuring the player (though by continuing to spin, the Bomb Boo can be swung wider and faster until it flies out of Mario's grip or hits something). Mario or Luigi can hold up to six Bomb Boos at once.

Super Mario Galaxy 2
In Super Mario Galaxy 2, Bouldergeist re-appears, along with four other Super Mario Galaxy bosses, in the Boss Blitz Galaxy. Because of Bouldergeist's re-appearance, Bomb Boos make a comeback so Mario can damage the boss in the same way as he did in the previous game.

Mario & Luigi: Superstar Saga + Bowser's Minions
Bomb Boos reappear in Mario & Luigi: Superstar Saga + Bowser's Minions as both enemies and controllable units in the new Minion Quest: The Search for Bowser mode. Bomb Boos are flying troopers, and attack by running into enemies. Their special attack, Kaboom Blast, allows them to explode on an enemy. Bomb Boos are strong against Ice Snifits.

Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey
Bomb Boos also reappear in Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey, where they are both enemies and allies in the Bowser Jr.'s Journey mode.

Mario & Luigi: Superstar Saga + Bowser's Minions

 * Minion Quest: The Search for Bowser profile: A rare type of Boo that explodes! They are especially red.

Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey

 * Bowser Jr.'s Journey profile: A rare type of boo that goes kaBOOm! After exploding, they won't return until the next battle. Keep that in mind!

Names in other languages
Bomben-Buu Huu Boo Bomba