Jackass Bam Margera has hernia surgery after getting hurt in tandem kayak jump 06/01/2012 Bam Margera says he underwent a hernia operation shortly after taking a kayak over a 100-foot cliff in Oregon this week. Read More RELATED NEWS Steve-O engaged to girlfriend Lux Wright: "I'm so happy"'Jackass' and 'Viva La Bam' star Vincent "Don Vito" Margera dies'Jackass' star Bam Margera marries Nicole Boyd in Iceland TAGS: