In the early 1970s, Mitchell (then a Marquette University student) regularly created strips such as "Smile" for the underground newspaper The Bugle, which were subsequently syndicated to other underground and college newspapers via the Krupp Syndicate.
During the early 1970s, as a student at Marquette University, Mitchell created comic strips like "Smile" for The Bugle, an underground newspaper. These comics were then disseminated to other underground and college newspapers via the Krupp Syndicate.