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

For Disney, he directed the TV series Fish Hooks along with Maxwell Atoms, William Reiss, Tom Warburton, Derek Evanick, and Diana Lafyatis.

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