Big Boo's are recurring ghost enemies from the Mario series that stalk people and live in The Castle and Big Boo's Haunt. They are bigger versions of normal Boos.
Appearances[]
- Mario dies from having a staring contest with a Big Boo in 101 to kill Mario (the right way).
- In Super Mario 64 Halloween 2013: Luigi's Retarded Mansion, a Big Boo says "Dat Ass" and approaches Luigi, scaring him.
- In Super Mario 64 Bloopers: Rich Glitch, a Big Boo helps SMG4 and the gang to get into Mario's house.
- In R64: Boo Busters, a Big Boo guards Princess Daisy.