"I decided I could back-flip a motorcycle," Johnny Knoxville previously told PEOPLE, after injuring his penis during a stunt inspired by Evel Knievel Glenn Garner is a form writer-reporter who ...

Johnny Knoxville Assures His Penis Is in 'Great Working Order' After 2007 Jackass Stunt Injury Jackass Forever, the fourth film from original stars Knoxville, Steve-O, Chris Pontius, Dave England ...