Doug is an American animator, writer, cartoonist, video game designer, and comic book artist whose work has encompassed animated television, video games, and comic books. He is best known for creating Earthworm Jim, a character that spawned a video game series, animated series, and a toy line. He is also the creator of the animated television series Catscratch (2005–2007), which aired on Nickelodeon, and was itself a loose adaptation of TenNapel's comic book limited series Gear.