James P. "Sulley" Sullivan is the protagonist of the Disney/Pixar 2001 feature film Monsters, Inc., and the deuteragonist of the 2013 prequel Monsters University. Sulley is a top scarer under his boss Henry J. Waternoose, III, who is the CEO of Monsters, Inc. Sulley's best friend and sidekick is Mike Wazowski. His dad is the famous scarer Bill Sullivan. When he is first seen, Sulley is the top scarer at Monsters, Inc., responsible for generating the majority of scares that provide power for the city of Monstropolis.