Mark "Thurop" Van Orman (born April 26, 1976) is an American cartoonist, animator, voice artist, television writer, producer and director best known for being the creator of Cartoon Network's The Marvelous Misadventures of Flapjack, in which he voices the title character. He studied character animation at the California Institute of the Arts. He was the storyboard artist for Camp Lazlo, The Powerpuff Girls and The Grim Adventures of Billy & Mandy. He was also the co-writer for these shows. He was also the supervising producer for Adventure Time and served as one for Sanjay and Craig in its first season only. Thurop is also somewhat known for responding to much of his fans' fan art through the website DeviantArt. He is currently working on his stop motion film project titled Black Forest, as well as providing concept art for the film adaptation of The Little Prince, and was the director of The Angry Birds Movie 2. He has also announced via Twitter that he will be writing a film about Vikings. His work took inspiration from Gary Larson, Jim Henson, Stephen Hillenburg, Craig McCracken, E. H. Shepard, Richard Scarry, Maurice Sendak, Mercer Mayer, Ronald Searle, Robert Crumb, Sergio Aragonés, and his brother Jonny.