Bam Margera (born Brandon Cole Margera on September 28, 1979, name legally changed to "Bam") is a professional skateboarder and television personality. He released a series of videos under the CKY banner and came to prominence after being drafted into MTV's Jackass crew. He has since appeared in MTV's Viva La Bam and Bam's Unholy Union, all the Jackass movies, and Haggard and Minghang, which he both also co-wrote and directed.