Super Mario 3D World Edit
Boom Boom is battled and defeated, twice.
Super Mario Bros. 3 Edit
He first appeared in World 1's fortress. Emile defeated him by stomping on his head thrice.
He is fought in every fortress.
- Boom Boom is the first boss encountered in Super Mario Bros 3.
- Boom Boom is the namesake of Super Mario 3D World - Episode 18: Boom Boom, Headshot!.