Frank Vizi (born June 9, 1961) is a German born American professional wrestler, better known by the ring names Bull Pain, Rick Gantner and Psycho. He is best known for his appearances with promotion such as the American Wrestling Association, World Wrestling Federation, World Championship Wrestling and Extreme Championship Wrestling, as well as for independent promotions such as the World Wrestling Council, Independent Wrestling Association Mid-South, Juggalo Championship Wrestling and Chikara.