Brandon Margera was born in 1979 to Phil and April Margera. His nickname which has stuck with him ever since he was a child came from his Grandad after realising Bam had a habit of running into things. Bam also has a brother Jess who is a member of the band CKY who regularly provide music for Bam's shows.

Bam's main passion and career profession is professional skate boardering for Team Element. He has also appeared in a number of television shows, most notably Jackass and Viva La Bam.

On February 13th 2007, Bam got married to Missy Rothstein who he has apparently known since 4th grade.