Yesterday we celebrated the 15th anniversary of Jackass' premiere MTV episode by asking Johnny Knoxville and his merry band of masochists to look back on 12 of their most outrageous stunts and pranks. We also asked you to let us know your favorite Jackass moments by tweeting at us using the hashtag #Jackass15. You sickos came through with a veritable cornucopia of the franchise's most cringe-inducing clips. Here are the top five picks.