His first comic book work was the 2000 superhero parody Battle Pope,[4] which he co-created with artist Tony Moore, self-published under the Funk-O-Tron label, and was adapted into a season of 8 animated webisodes that appeared on Spike TV's website in 2008.[9] Later, while pitching a new series, Science Dog, Kirkman and artist Cory Walker were hired to do a SuperPatriot miniseries for Image Comics. While working on that book, Kirkman and E. J. Su created the 2002 Image series Tech Jacket, which ran six issues, and the one-shot title, Cloudfall.