who sings for steve smith on american dad
Steve Smith (American Dad!) Steven Anita[1] "Steve" Smith is a fictional character in the animated television series American Dad!, voiced by Scott Grimes. He is Stan and Francine Smith's only son and Hayley's younger brother as well as the youngest of the series' six main characters.
Roger (American Dad!) Roger Smith (born Wogir) is a fictional character in the adult animated sitcom American Dad!, voiced by Seth MacFarlane. The character was created and designed by Seth MacFarlane. Roger is a centuries-old grey space alien living with the Smith family, around whom the show revolves. Having lived on Earth since 1947, Roger came to live with the Smiths after rescuing main character Stan Smith at Area 51 four years prior to the beginning of the series.[1][2]