10. Gene Simmons

Better known as "The Demon", the bassist in hard rock band KISS, Gene Simmons features in several Family Guy episodes. In season three's "A Very Special Family Guy Freakin' Christmas", Simmons saves Santa from pterodactyls by playing the guitar because the pterodactyls can't stand the noise. In the same season's episode, "Road to Europe", his band turn up in Quahog, for the KISSstock festival, where he meets Lois, an ex-girlfriend. Then, in season four's "Don't Make Me Over", the rocker appears on the tourbus of Meg and the Griffins after the family become famous pop stars due to Meg's new makeover.