From Fish Hooks Wiki
Carl Harvey "C.H." Greenblatt (born June 17, 1972) is an American cartoon screenwriter, producer and storyboard artist. He has worked on the hit TV series SpongeBob SquarePants, and on the Cartoon Network series The Grim Adventures of Billy & Mandy and Evil Con Carne. He is best known as the creator of Chowder. He is currently a director, a writer and a storyboard artist on Fish Hooks.