Serena Valentino's GloomCookie is one of Slave Labor Graphics' most popular, currently running comic book series, and features an ensemble cast of cursed beauties, living wax statues, malevolent gargoyles and melancholy werewolves.

Breehn illustrated GloomCookie #13-17, the back cover of issue #11, the cover of issue #18, designed the GloomCookie Monster Statue and also contributed to A Monster's Christmas, a full-color holiday special.

- Created by Serena Valentino and Ted Naifeh. Published by Slave Labor Graphics.