Gene Simmons through the years

Musician Gene Simmons of Kiss attends the Scooby-Doo! and Kiss: Rock and Roll Mystery Press Room during Comic-Con International 2015 at the Hilton Bayfront on July 9, 2015 in San Diego, Calif.

Members of the rock group Kiss, clockwise from top left: Gene Simmons, Paul Stanley, Ace Frehley and Peter Criss. --- DATE TAKEN: 1998 By Glenn LaFerman NoCredit HO - handout ORG XMIT: UT80981

Gene Simmons of the band Kiss, left, mugs for photographers as bandmate Paul Stanley is interviewed backstage at the "American Idol" finale in Los Angeles, Wednesday, May 20, 2009. (AP Photo/Chris Pizzello) ORG XMIT: CACP118

The members of the KISS, Paul Stanley, left, (The Star Child), Gene Simmons (The Demon) , Eric Singer (The Catman) and Tommy Thayer ( The Spaceman) pose in full makeup and costume before playing a showcase at the House of Blues in West Hollywood, Calif. The band was inducted into the Rock and Roll Hall of Fame in April, 15 years after first becoming eligible.

Backstage, Model Karolina Kurkova (L) and Gene Simmons of KISS share a simpatico moment at the Fashion Rocks show.

Gene Simmons.

Kiss' Gene Simmons, left, Tommy Thayer and Paul Stanley perform.

What, no tongue? Kiss front man Gene Simmons, right, sans makeup, obliges a fan and gets photo-bombed at the same time at the premiere of 'Godzilla' in Los Angeles.