However, he has the strongest friendship with the family alien Roger, as they frequently go on wild adventures together. Steve only has 3 human geeky friends that always stand by his side no matter what crazy scenario is going on. He is Stan and Francine Smith's 14-year-old son and Hayley's younger brother as well as the youngest of the series' six main characters. Steven Anita 'Steve' Smith (born May 13, 1991) is a fictional character in the animated television series American Dad!, voiced by Scott Grimes. Nicholas Dawson (biological maternal grandfather)Ĭassandra Dawson (deceased biological maternal grandmother) Hercules (deceased paternal step-grandfather) Fictional character in the animated television series American Dad! Steve Smith
