John Wisniski Jr.

Acting

Born September 20, 1951 · Seattle, Washington, USA

John Wisniski, Jr. is an American professional wrestler, better known as Greg "The Hammer" Valentine. He is the son of wrestler Johnny Valentine. In the course of his career, which has spanned over fo…

Known for

Raw

1993

WWF Wrestling Challenge

1986

WWF Wrestling Challenge

1986

WWE Pay Per View

1985

Mid-Atlantic Championship Wrestling

1981

All Elite Wrestling: Dynamite

2019

WWF Superstars

1986

WWE Saturday Night's Main Event

1985

Acting(120)

2025Midnight MassacreCaepio

Film

2021Biography: WWE LegendsGreg "The Hammer" Valentine

2021WWE's Most Wanted TreasuresGreg "The Hammer" Valentine