Fanboy and Chum Chum is an American-Canada CGI animated television series. It is based on the short cartoon known simply as "Fanboy". This was from the 2007 Nickelodeon television series "Random! Cartoons". The series is about two young boys with wild imaginations. They love anything relating to superheroes and comic books. Each wears their own unique superhero costume that include underwear worn over their pants. The series was created by Eric Robles. It features a voice cast that includes David Hornsby, Nika Futterman, Jamie Kennedy, Josh Duhamel, Jeff Bennett, and Candi Milo.