John Wisniski Jr.
John Wisniski Jr. is an actor, born 1951.
Jonathan Anthony Wisniski is an American retired professional wrestler, better known as Greg "the Hammer" Valentine. He is the son of wrestler Johnny Valentine.
John Wisniski Jr. is an actor, born 1951.
Jonathan Anthony Wisniski is an American retired professional wrestler, better known as Greg "the Hammer" Valentine. He is the son of wrestler Johnny Valentine.