Mad Boo

Mad Boos are Boos that appear in Super Princess Peach. Unlike regular Boos, Mad Boos do nothing when Princess Peach turns her back to them, but if she faces them, they will attack her. They also appear in a rarer Big Boo form called Mad Big Boo.

Personality
Mad Boos look just like normal Boos accept there facial expression is more evil and sinister looking.