At the California College of Arts and Crafts where Purcell attended and graduated, Sam & Max appeared in print for the first time in 1980. In 1987, the first full-fledged Sam & Max 32-page comic appeared. In between illustration assignments and animation work for LucasArts, three other Sam & Max books were produced. During this time he also did freelance work for Marvel Comics, as well as writing the comic book series, Defenders of Dynatron City.