Krall, Dan: - Dan Krall is an author, illustrator, and an animator. He worked as a character designer on the popular films How to Train Your Dragon and Coraline. He was also the art director for the television shows Scooby Doo! Mystery Incorporated, Chowder, and Samurai Jack, as well as a Development Artist for Foster's Home for Imaginary Friends, The PowerPuff Girls, and Dexter's Laboratory. He lives with his wife and daughter in Los Angeles.