"Boo?" - SullyJames P. Sullivan, better known as Sulley, is the main protagonist of Monsters, Inc. and the deuteragonist of Monsters University. He is a male blue haired monster who was the top scarer at Monster's Inc. Sulley lives with his best friend Mike Wazowski who is also his scare partner. At work Sully and Mike are always at work against their monster rival Randall. All is well until a young human girl finds her way into the monster world and Sully has to protect her and make sure she gets home.