Biography: Peter Browngardt (born 1979) is an American animator, storyboard artist, writer, producer, and voice actor. He is currently working as executive producer and creative director behind Looney Tunes Cartoons. He is best known for being the creator of Cartoon Network's Uncle Grandpa, in which he also voices the title character, a spin-off of the earlier Secret Mountain Fort Awesome. Browngardt has had prior experience working on shows such as Futurama, The Venture Bros., Chowder and The Marvelous Misadventures of Flapjack. His main contribution to the Adventure Time series is storyboarding and writing the episode "Wizard".