József Kreul Bugner was a Hungarian-born British–Australian professional boxer who competed in the heavyweight division and actor. He holds triple nationality, originally being a citizen of Hungary and a naturalised citizen of both Australia and the United Kingdom. He unsuccessfully challenged Muhammad Ali for the heavyweight championship in 1975, losing by a unanimous decision. As an actor, he is often known for his role in the 1994 action film Street Fighter alongside Jean-Claude Van Damme and Raul Julia.