Calvin was born in Ridgecrest, California, and started playing American football at the age of 6.
Calvin attended Burroughs High School, where he played both in football and wrestling.
[2] Calvin went undrafted in 1994 and was signed with the San Jose SaberCats of the Arena Football League on April 14, 1995.
[1] After being waived by the SaberCats, Calvin entered the business of buying storage lockers in 2008 and opened his store Grandma's Attic in 2009.
He then joined the cast of A&E's series Storage Wars in 2012 as a recurring storage unit buyer during the show's third and fourth seasons before becoming a regular cast member since the fifth season, on which he is sometimes known as the "King of Palmdale" and "King of Lancaster".