Actors who can no longer do the robot, blue mutants with blisters, and demons who couldn't wait to shed their skin; sometimes, the demands of crazy costumes have had long-lasting effects on performers ...

But, at 84, he's showing no signs of retirement. He has a new single ("Make It Fun-K"), has just returned from playing in Australia and Malaysia, and has a Nov. 28 date at Houston's House of Blues as ...