From Wikipedia, the free encyclopedia. John Andrew Overtoom is an American animation director, writer, photographer, and cinematographer. Recent credits include Nickelodeon's The Patrick Star Show as well as the animated feature film The SpongeBob Movie: Sponge on the Run, where he served as CG animation director and head of character animation. He was supervising animation director on the Cartoon Network series Clarence, as well as Disney XD's animated television series... see more