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.