John Wisniski Jr.

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.

Casted

WrestleMania

Played Greg "The Hammer" Valentine

Average Rating

6.6

47 votes

Release Date

Mar 31, 1985

41 years ago
WWE WrestleMania III

Played Greg "The Hammer" Valentine

Average Rating

7.3

40 votes

Release Date

Mar 29, 1987

39 years ago
WrestleMania II

Played Greg "The Hammer" Valentine

Average Rating

6.4

28 votes

Release Date

Apr 07, 1986

40 years ago
WWE WrestleMania V

Played Greg "The Hammer" Valentine

Average Rating

7.3

26 votes

Release Date

Apr 02, 1989

37 years ago
WWE WrestleMania IV

Played Greg "The Hammer" Valentine

Average Rating

7.4

26 votes

Release Date

Mar 27, 1988

38 years ago
WWE WrestleMania VII

Played Greg "The Hammer" Valentine

Average Rating

7.4

22 votes

Release Date

Mar 24, 1991

35 years ago
WWE Royal Rumble 1992

Played Greg "The Hammer" Valentine

Average Rating

6.8

15 votes

Release Date

Jan 19, 1992

34 years ago
WWE Survivor Series 1987

Played Greg Valentine

Average Rating

8.5

14 votes

Release Date

Nov 26, 1987

38 years ago
WWE Royal Rumble 1994

Played Greg "The Hammer" Valentine

Average Rating

6.9

14 votes

Release Date

Jan 22, 1994

32 years ago
WWE Survivor Series 1990

Played Greg "The Hammer" Valentine

Average Rating

8.0

10 votes

Release Date

Nov 22, 1990

35 years ago
WWE Royal Rumble 1991

Played Greg "The Hammer" Valentine

Average Rating

7.1

9 votes

Release Date

Jan 19, 1991

35 years ago
350 Days

Played Self

Average Rating

5.1

9 votes

Release Date

Apr 02, 2019

7 years ago
WWE Survivor Series 1988

Played Greg "The Hammer" Valentine

Average Rating

8.2

8 votes

Release Date

Nov 24, 1988

37 years ago
WWE Royal Rumble 1989

Played Greg "The Hammer" Valentine

Average Rating

5.1

8 votes

Release Date

Jan 15, 1989

37 years ago
WWE Survivor Series 1989

Played Greg "The Hammer" Valentine

Average Rating

7.7

8 votes

Release Date

Nov 23, 1989

36 years ago
WWE Royal Rumble 1990

Played Greg "The Hammer" Valentine

Average Rating

6.0

8 votes

Release Date

Jan 21, 1990

36 years ago
WWE SummerSlam 1991

Played Greg "The Hammer" Valentine

Average Rating

7.7

7 votes

Release Date

Aug 26, 1991

35 years ago
WWE: The History Of The Intercontinental Championship

Played Himself

Average Rating

7.3

7 votes

Release Date

Nov 25, 2008

17 years ago
WWE SummerSlam 1989

Played Greg Valentine

Average Rating

6.6

7 votes

Release Date

Aug 28, 1989

37 years ago
WWE: The U.S. Championship: A Legacy of Greatness

Played Greg 'The Hammer' Valentine (archive footage)

Average Rating

9.2

5 votes

Release Date

Apr 26, 2016

10 years ago
WWE Survivor Series 1993

Played The Blue Knight

Average Rating

6.5

4 votes

Release Date

Nov 24, 1993

32 years ago
NWA Starrcade 1983

Played Greg "The Hammer" Valentine

Average Rating

6.8

4 votes

Release Date

Nov 24, 1983

43 years ago
WWE The Big Event

Played Greg "The Hammer" Valentine

Average Rating

8.0

4 votes

Release Date

Aug 28, 1986

40 years ago
WrestleMania 2

Played Greg 'The Hammer' Valentine

Average Rating

8.7

3 votes

Release Date

Apr 07, 1986

40 years ago
WrestleMania III

Played Greg 'The Hammer' Valentine

Average Rating

8.3

3 votes

Release Date

Mar 29, 1987

39 years ago
The Greatest Stars of the 80's

Played Self

Average Rating

8.0

3 votes

Release Date

Jun 14, 2005

21 years ago
WWE Hall of Fame 2004

Played Self

Average Rating

8.5

2 votes

Release Date

Mar 12, 2004

22 years ago
WWE: 150 Best Pay-Per-View Matches, Vol 1

Played Himself

Average Rating

10.0

2 votes

Release Date

Mar 11, 2014

12 years ago
Wrestling's Most Embarrassing Moments

Played Greg "The Hammer" Valentine

Average Rating

10.0

2 votes

Release Date

Dec 15, 1987

38 years ago
The British Bulldogs

Played Greg Valentine

Average Rating

4.0

1 votes

Release Date

Oct 15, 1986

40 years ago
Ricky "The Dragon" Steamboat

Played Greg "The Hammer" Valentine

Average Rating

10.0

1 votes

Release Date

May 02, 1986

40 years ago
WCW World War 3 1997

Played Greg "The Hammer" Valentine

Average Rating

7.0

1 votes

Release Date

Nov 23, 1997

28 years ago
At What Cost? Anatomy of Professional Wrestling

Played Himself

Average Rating

10.0

1 votes

Release Date

Apr 25, 2015

11 years ago
WWE: The History Of The WWE Championship

Average Rating

10.0

1 votes

Release Date

Sep 05, 2006

19 years ago
Heroes of Wrestling

Played Greg "The Hammer" Valentine

Average Rating

1.0

1 votes

Release Date

Oct 10, 1999

26 years ago
NWA Sam Muchnick Retirement Show

Played Greg Valentine

Average Rating

0.0

1 votes

Release Date

Jan 01, 1982

44 years ago
WWE The Brawl to End it All

Played Greg "The Hammer" Valentine

Average Rating

10.0

1 votes

Release Date

Jul 23, 1984

42 years ago
WWE U.K. Rampage 1991

Played Greg "The Hammer" Valentine

Average Rating

6.0

1 votes

Release Date

Apr 21, 1991

35 years ago
Chris Jericho's 30th Anniversary Celebration

Played Greg "The Hammer" Valentine

Average Rating

7.0

1 votes

Release Date

Oct 07, 2020

5 years ago
Battle of the WWE Superstars

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Aug 23, 1990

36 years ago
WWE WrestleFest '91

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jul 25, 1991

35 years ago
WWE Hottest Matches

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 25, 1990

35 years ago
WWE SuperTape: Volume 2

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jul 25, 1990

36 years ago
WWE SuperTape: Volume 5

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Feb 27, 1992

34 years ago
WWE Demolition

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Aug 09, 1989

37 years ago
WWE Mega Matches

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Mar 28, 1991

35 years ago
WWE Rampage '91

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 24, 1991

34 years ago
The Ultimate Warrior

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jun 28, 1989

37 years ago
Midnight Massacre

Played Caepio

Average Rating

0.0

0 votes

Release Date

Oct 25, 2025

5 months ago
WCW Beach Blast

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jun 20, 1992

34 years ago
Bob Uecker's Wacky World of Sports

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jan 01, 1987

39 years ago
Behind the Ropes: The Greatest Fraternity in the World

Played Himself

Average Rating

0.0

0 votes

Release Date

Dec 31, 2015

10 years ago
Fan Favorites

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Aug 09, 1989

37 years ago
The Best of the WWF: volume 4

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Sep 01, 1985

41 years ago
The Best of the WWF: volume 5

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jan 01, 1986

40 years ago
The Best of the WWF: volume 7

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jun 06, 1986

40 years ago
The Best of the WWF: volume 9

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 15, 1986

40 years ago
The Best of the WWF: volume 10

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Mar 01, 1987

39 years ago
The Best of the WWF: volume 11

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jun 24, 1987

39 years ago
The Best of the WWF: volume 14

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Dec 15, 1987

38 years ago
The Best of the WWF: volume 16 Around the World

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jul 27, 1988

38 years ago
The Best of the WWF: volume 20

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Aug 09, 1989

37 years ago
Most Unusual Matches

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jan 01, 1985

41 years ago
WWF Hulkamania 1

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Jan 01, 1985

41 years ago
World Wrestling Legends: 6:05 - The Reunion

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Apr 29, 2005

21 years ago
Timeline: The History of WWE – 1985 – As Told By Greg Valentine

Played Himself

Average Rating

0.0

0 votes

Release Date

Jun 01, 2011

15 years ago
JCW Legends and Icons

Average Rating

0.0

0 votes

Release Date

Dec 08, 2011

14 years ago
WWE Maple Leaf Wrestling: April '89

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Apr 23, 1989

37 years ago
WWE U.K. Rampage 1988

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 07, 1988

38 years ago
WWE Houston Wrestling: October '86

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 19, 1986

40 years ago
WWE Houston Wrestling: October '87

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 09, 1987

39 years ago
WWE Houston Wrestling: December '87

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Dec 11, 1987

38 years ago
WWE Los Angeles Wrestling: December '88

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Dec 17, 1988

37 years ago
WWE Los Angeles Wrestling: January '89

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jan 29, 1989

37 years ago
WWE Maple Leaf Wrestling: September '84

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Sep 23, 1984

42 years ago
WWE Maple Leaf Wrestling: October '84

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 21, 1984

42 years ago
WWE Maple Leaf Wrestling: April '85

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Apr 21, 1985

41 years ago
WWE Maple Leaf Wrestling: September '85

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Sep 22, 1985

41 years ago
WWE Maple Leaf Wrestling: October '85

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Oct 13, 1985

41 years ago
WWE Maple Leaf Wrestling: December '85

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes
WWE Maple Leaf Wrestling: January '87

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jan 11, 1987

39 years ago
WWE Maple Leaf Wrestling: June '87

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jun 28, 1987

39 years ago
WWE Maple Leaf Wrestling: April '88

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Apr 24, 1988

38 years ago
WWE Wrestling at The Meadowlands: January '87

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jan 05, 1987

39 years ago
WWE Maple Leaf Wrestling: July '88

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Jul 24, 1988

38 years ago
WWE Wrestling at The Meadowlands: September '88

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Sep 11, 1988

38 years ago
WWE Wrestling at The Meadowlands: May '89

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

May 08, 1989

37 years ago
WWF/AJPW/NJPW Wrestling Summit

Average Rating

0.0

0 votes

Release Date

Apr 13, 1990

36 years ago
WWE: Starrcade - The Essential Collection

Played Himself

Average Rating

0.0

0 votes

Release Date

Jan 03, 2012

14 years ago
NWA The Final Conflict

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Mar 12, 1983

43 years ago
Tag Team Champions

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Mar 01, 1986

40 years ago
WCW Clash of The Champions XX: 20th Anniversary

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Sep 02, 1992

34 years ago
NWA The Race to Starrcade

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Sep 07, 1983

43 years ago
NWA Boogie Jam

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Mar 17, 1984

42 years ago
WWE The Ultimate Challenge Special: The March to WrestleMania VI

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Mar 25, 1990

36 years ago
WWE Superstars & Stripes Forever: The March to WrestleMania VII

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

Mar 17, 1991

35 years ago
WCW Wrestle War: WarGames

Played Greg "The Hammer" Valentine

Average Rating

0.0

0 votes

Release Date

May 17, 1992

34 years ago
The Immortal Hulk Hogan

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Nov 05, 1992

33 years ago
WrestleMania

Played Greg Valentine

Average Rating

0.0

0 votes

Release Date

Mar 31, 1985

41 years ago
WrestleMania IV

Played Greg 'The Hammer' Valentine

Average Rating

0.0

0 votes

Release Date

Mar 27, 1988

38 years ago

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