Mike Wazowski is a fictional character from the animated film series Monsters, Inc. created by Pixar Animation Studios. He is a small, green, one-eyed monster known for his round body and short stature. Mike works as a scare assistant at Monsters, Inc., where he helps his best friend, James P. Sullivan (also known as Sulley), in their job of scaring children to generate energy for their monster city. In addition to his role in the workplace, Mike is characterized by his humorous personality and determination. He often provides comic relief in the films and is known for his catchphrase, "Boo!" Mike also stars in the prequel film, Monsters University, which explores his college years and aspirations to become a top scarer.