Buster "Bust-A-Move" Perkin is a rich and famous fitness trainer and the antagonist in the movie Norbit. He was portrayed by Marlon Wayans. Buster who was known for his trademark Power Tap exercise program, was also Rasputia's personal trainer as she comes to his gym almost everyday. When she was married to Norbit, Rasputia practically cheated on him and committed adultery with Buster who also sometimes received a loan from her family for funding his exercise program in order to more famous and even richer than the legendary Tae-Bo master Billy Banks.