Comics anthology
Collaborating with Dave Cooper under the pen name "Hector Mumbly", Ryan's comics appeared in nearly every issue of "Nickelodeon Magazine". Cooper and Ryan also collaborated on a "Wonder Woman vs. Supergirl" story for the DC Comics anthology "Bizarro". Ryan collaborated with Peter Bagge in both "Angry Youth Comix" and Bagge's "Hate Annual", in addition to penciling and inking two stories for Bagge's DC series "Sweatshop". In 2006, Ryan guest-edited a special comics issue of "Vice" magazine, which included contributions from over thirty of Ryan's comics contemporaries.