Characters from American Dad!, who have appeared in The Simpsons. Trending pages Hayley Smith Francine Smith Stan Smith Steve Smith Roger Smith Klaus Heisler All items (7) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other C Category:Characters created by Seth MacFarlane F Francine Smith H Hayley Smith K Klaus Heisler R Roger Smith S Stan Smith Steve Smith Categories: Crossover characters Characters Character Groups Characters created by Seth MacFarlane Community content is available under CC-BY-SA unless otherwise noted.