Big Boos in Super Mario World
Big Boos are enemies that, like all Boos, have the same power but bigger. Big Boos can also be defeated by turning away and throwing an egg at them. Bigger Boo is a boss fought in Super Mario World 2: Yoshi's Island and is a notable member of the species. In that game, they are three times bigger than a normal Boo, unlike their size in other games.