About me: I am a fan. This is not the real BJ Penn.
Jay Dee "B.J." Penn (born December 12, 1978 in Hilo, Hawaii) is an American professional mixed martial arts fighter and Brazilian Jiu-Jitsu practitioner. He is the first American-born winner of the World Brazilian Jiu Jitsu championship (Mundial) black belt category, won in 2000, and a former UFC Welterweight Champion.