American Dad! is an American animated sitcom created by Seth MacFarlane, Mike Barker and Matt Weitzman for the Fox Broadcasting Company. The series centers on the Smiths, a dysfunctional family consisting of parents Stan and Francine and their children, budding adolescent Steve and new-age hippie Hayley. Other main characters include Hayley\"s stoner husband Jeff Fischer; the family\"s pet, Klaus, a man in a fish\"s body; and Roger, an alien who Stan has rescued from government capture and harbors in the family\"s attic.