John Wisniski Jr.

Known For: Acting
Gender: Male
Date of Birth: September 20, 1951 (74 years old)
Place of Birth: 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 four decades, Valentine has held more than 40 championships, including the NWA United States Heavyweight Championship and the WWE Intercontinental Championship. An alumnus of WWE and World Championship Wrestling, he was inducted to the WWE Hall of Fame in 2004.
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1991

Actor Greg "The Hammer" Valentine
WWE WrestleFest '91

Actor Greg "The Hammer" Valentine
WWE Mega Matches

Actor Greg "The Hammer" Valentine
WWE Rampage '91

Actor Greg "The Hammer" Valentine
WWE WrestleMania VII

Actor Greg "The Hammer" Valentine
WWE Royal Rumble 1991

Actor Greg "The Hammer" Valentine
WWE SummerSlam 1991

Actor Greg "The Hammer" Valentine
WWE U.K. Rampage 1991

Actor Greg "The Hammer" Valentine
WWE Superstars & Stripes Forever: The March to WrestleMania VII
1990

Actor Greg Valentine
Battle of the WWE Superstars

Actor Greg "The Hammer" Valentine
WWF Hottest Matches

Actor Greg "The Hammer" Valentine
WWF SuperTape vol. 2

Actor Greg "The Hammer" Valentine
WWE Survivor Series 1990

Actor
WWF/AJPW/NJPW Wrestling Summit

Actor Greg "The Hammer" Valentine
WWE The Ultimate Challenge Special: The March to WrestleMania VI

Actor Greg "The Hammer" Valentine
WWE Royal Rumble 1990
1989

Actor Greg "The Hammer" Valentine
WWE WrestleMania V

Actor Greg "The Hammer" Valentine
WWE Demolition

Actor Greg "The Hammer" Valentine
The Ultimate Warrior

Actor Greg Valentine
Fan Favorites

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 20
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: April '89
Actor Greg "The Hammer" Valentine
WWE Los Angeles Wrestling: January '89
Actor Greg "The Hammer" Valentine
WWE Wrestling at The Meadowlands: May '89

Actor Greg "The Hammer" Valentine
WWE Royal Rumble 1989

Actor Greg "The Hammer" Valentine
WWE Survivor Series 1989

Actor Greg Valentine
WWE SummerSlam 1989
1988

Actor Greg "The Hammer" Valentine
WWE Survivor Series 1988

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 16 Around the World
Actor Greg "The Hammer" Valentine
WWE U.K. Rampage 1988
Actor Greg "The Hammer" Valentine
WWE Los Angeles Wrestling: December '88
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: April '88
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: July '88
Actor Greg "The Hammer" Valentine
WWE Wrestling at The Meadowlands: September '88

Actor Greg "The Hammer" Valentine
WWE WrestleMania IV
1987

Actor Greg "The Hammer" Valentine
WWE WrestleMania III

Actor Greg "The Hammer" Valentine
Bob Uecker's Wacky World of Sports

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 10

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 11

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 14
Actor Greg "The Hammer" Valentine
WWE Houston Wrestling: October '87
Actor Greg "The Hammer" Valentine
WWE Houston Wrestling: December '87
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: January '87
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: June '87
Actor Greg "The Hammer" Valentine
WWE Wrestling at The Meadowlands: January '87

Actor Greg Valentine
WWE Survivor Series 1987
1986

Actor Greg "The Hammer" Valentine
WrestleMania II

Actor Greg Valentine
The British Bulldogs

Actor Greg "The Hammer" Valentine
Ricky "The Dragon" Steamboat

Actor Greg 'The Hammer' Valentine
WWE's Inside the Steel Cage

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 5

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 7

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 9
Actor Greg "The Hammer" Valentine
WWE Houston Wrestling: October '86

Actor Greg Valentine
Tag Team Champions

Actor Greg "The Hammer" Valentine
WWE The Big Event
1985

Actor Greg "The Hammer" Valentine
WrestleMania

Actor Greg "The Hammer" Valentine
The Best of the WWF: volume 4

Actor Greg 'The Hammer' Valentine
The WWF's Most Unusual Matches

Actor Greg Valentine
WWF Hulkamania 1
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: April '85
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: September '85
Actor Greg "The Hammer" Valentine
WWE Maple Leaf Wrestling: October '85