Craig has been interested in drawings when he was 3.
Craig first job was a comic book illustrator.
Craig studied animation at Cal Arts in LA along with fellow student Genndy Tratakovsky.
Craig's idea of creatoring "Fosters Home for Imaginary Friends" came from the Powerpuff Girl episode "Imaginary Fiend".
Craig guest stars himself in "Fosters Home for Imaginary Friends" in the episode "One False Movie".