Paul Tibbitt
Paul Harrison Tibbitt IV is an American animator, writer, and voice actor, best known for his work on the animated series SpongeBob SquarePants. After its creator Stephen Hillenburg resigned in 2004, Tibbitt took his position of showrunner for the show's fourth through ninth seasons. 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.
In 2015, Vincent Waller and Marc Ceccarelli took Tibbitt's place as supervising producer and showrunner. It was also announced that Tibbitt would leave the series after season 9 to work on The SpongeBob Movie: Sponge on the Run, but he lent his directing and writing position to Tim Hill.