|First game||Super Mario World 2: Yoshi's Island|
Bigger Boo (JP) is a boss character of world 2-4 in the game Super Mario World 2: Yoshi's Island for the SNES. His species is Boo, which are enemies in the game. The Boo would suddenly become huge once Kamek uses his magic to enlarge him. To defeat him, you would have to throw special eggs at the wall so that it would bounce back and hit him when you weren't looking at him.