Rock icon Bret Michaels is to guest star on the U.S. science-fiction drama series "Revolution," NBC announced Tuesday. Michaels will play a post-apocalyptic version of himself and will sing an acoustic version of his band Poison's hit ballad, "Every Rose Has Its Thorn," in an episode to air in 2014. "Bret is truly a great guy. I'm a huge fan of his music and I'm thrilled he's appearing on 'Revolution,'" Eric Kripke, creator and executive producer of "Revolution," said in a statement.