There is extreme, there is legendary — and then there is Iggy Pop. Beginning in his earliest days with the Stooges taunting Ann Arbor frat boys and small town Michigan folk, Iggy made an art of excess: self-mutilation, self-exposure and self-destruction. His risky theatricality required an audience to respond, participate or get the heck out of there. And the sex and violence hardly stopped after the show was over. Here are 20 of Iggy’s wildest moments, both on and offstage.