Denys Cowan was first inspired by superheroes as a child from reruns of the 1950s TV show Adventures of Superman with George Reeves.

[4] One day in the school lunchroom, the 14-year-old Cowan met someone who worked for artist and Deathlok creator Rich Buckler.

[6] Cowan gained prominence as the primary artist on The Question, a comic book series written by Dennis O'Neil and published by DC beginning in February 1987.

[10] Cowan was the penciller on the latter half of the 1990 Deathlok miniseries, published by Marvel Comics, which was written by Dwayne McDuffie and Gregory Wright as well as on the subsequent regular title of the same name.

Serving as senior vice President of Motown Animation and Filmworks, he created and developed a number of shows with Fox, ABC, Disney, and Nickelodeon.