He began drawing for several Star Reach and Kitchen Sink titles; a mix of underground comix (Slow Death, Bizarre Sex, American Splendor issues #4 and #6 by Harvey Pekar) and ground-level comics such as Star*Reach and Quack!.

He also did script and artwork on Aardvark's Strange Brew, Tiny Terror Tales and The Wraith (a parody of the famous Will Eisner character The Spirit),[2] and he worked on the celebrated Elric series with P. Craig Russell, a Pacific Comics adaptation of the Michael Moorcock sword and sorcery novels.

Also graphic novel collections and special issues also devoted to reprints of American horror comics of the 1950s.

He has written or drawn characters as diverse as Superman, Batman, Donald Duck, Mickey Mouse and Bart Simpson.

He has been a scriptwriter for Disney comics and Egmont Publishing in Denmark since 1989, as has his wife Janet Gilbert.