Peter Letsos, or "Pete The Greek" as he is commonly known, is a Brazilian Jiu Jitsu black belt under Carlon Gracie Junior, having competed in the sport all over the world, including in the historical Copa Atlantica, Brazilian Teams Nationals, the Pan American and the Gracie Invitational (Arnold Classic). "The Greek" is also the founder of Rio Jiu Jitsu, a grappling club in the Chicago area (US).