"Unholy" is a song by American hard rock band Kiss, written by Gene Simmons and Vinnie Vincent.

Simmons stated in his book Kiss and Make-Up: "Vinnie Vincent came up to me and apologized for causing the band all the grief while he was a member.

He also sang backing vocals on "Thou Shalt Not" (which he even co-wrote), "Take It Off", "Tough Love", "Heart of Chrome" and "I Just Wanna".

A music video was filmed at Southern Bay Studios in Carson, California, and was directed by Paul Rachman.

The video did not receive regular rotation airplay, as it showed children dancing on pentagrams and Damien Thorn-like twins casting demonic shadows, which would in turn cause mass protests at MTV from the Christian conservatives, but did feature on MTV's Headbangers Ball program, airing regularly there.

[7] American rock band Black Veil Brides did a cover of the song on their EP Rebels which was released on December 13, 2011.

Ozzy Osbourne/Black Label Society guitarist, Zakk Wylde is featured on this version, playing the guitar solo[8] Black Veil Brides has cited Kiss (along with Mötley Crüe) as their biggest influences image-wise.