Paul Harrison Tibbitt IV (born May 13, 1968) is an American animator, television producer, writer, storyboard artist, songwriter, voice actor, and director, best known for working on the animated series SpongeBob SquarePants. After SpongeBob creator Stephen Hillenburg resigned in 2004, Tibbitt took the position of showrunner for the show. He also took over as the voice of Potty the Parrot, whom Hillenburg had voiced until his resignation. Tibbitt made his feature film directorial debut directing The SpongeBob Movie: Sponge Out of Water. He studied in the Character Animation program at the California Institute of the Arts.