How did bam margera get the name bam?

Answer:
Because that is his initials, Brandon Anderson Margera | B.A.M. | Bam

Another story of how he got his name, a family member called him Bam coz he was always running into things.
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First answer by ID1651813672. Last edit by Riotqueen. Contributor trust: 18 [recommend contributor recommended]. Question popularity: 1 [recommend question].