KISS was one of the top hard-rock groups in the 70s.
References in the show
you can see a poster of them in Eric's
room and the Destroyer album cover in the episode Drive-In with Fez's host parents. Also a KISS alarm clock is seen in the season 4 episode Red and Stacy; that sings:
Wanna rock and roll
And (talking) WAKE UP (singing) every day!"