Carl Harvey Greenblatt (born June 17, 1972) is an American animator, director, producer, storyboard artist, voice actor and writer. He has worked on Nickelodeon's SpongeBob SquarePants and on Cartoon Network's The Grim Adventures of Billy & Mandy and Evil Con Carne. He is the creator of Cartoon Network's Chowder, Nickelodeon's Harvey Beaks, and creator and executive producer of Jellystone!, a Hanna-Barbera animated series for HBO Max produced by Warner Bros. Animation.