Carl Harvey "C.H." Greenblatt is an American cartoon director, screenwriter, producer, voice actor, and storyboard artist, best known for being the creator of Chowder and Harvey Beaks. He is also known for his storyboard and writing work on SpongeBob SquarePants, The Grim Adventures of Billy and Mandy, Chowder, Harvey Beaks, Jellystone! and various other animated TV series. In addition, he is known for his voice work as the The Grim Adventures of Billy and Mandy character, Fred Fredburger, as well.