source: http://www.thehistoryofwwe.com/ecw95.htm

50 or more matches

Mikey Whipwreck: 51 matches = 25-12-0 (singles) + 5-9-0 (tag)
Rocco Rock: 50 matches = 0-3-0 (singles) + 35-11-1 (tag)

25 or more matches

Johnny Grunge: 49 matches = 2-1-0 (singles) + 34-11-1 (tag)
Tommy Dreamer: 47 matches = 16-16-2 (singles) + 6-7-0 (tag)
The Sandman: 47 matches = 22-14-2 (singles) + 5-4-0 (tag)
Stevie Richards: 46 matches = 6-13-1 (singles) + 15-11-0 (tag)
Raven: 46 matches = 10-6-1 (singles) + 14-15-0 (tag)
Hack Myers: 46 matches = 17-21-1 (singles) + 2-5-0 (tag)
Pitbull #2: 45 matches = 0-0-0 (singles) + 19-26-0 (tag)
Pitbull #1: 45 matches = 0-0-0 (singles) + 19-26-0 (tag)
2 Cold Scorpio: 40 matches = 15-8-3 (singles) + 7-7-0 (tag)
Cactus Jack: 38 matches = 17-8-2 (singles) + 4-7-0 (tag)
Taz: 31 matches = 14-3-1 (singles) + 6-7-0 (tag)
Dean Malenko: 28 matches = 5-6-6 (singles) + 6-5-0 (tag)

10 or more matches

Axl Rotten: 24 matches = 14-7-1 (singles) + 0-2-0 (tag)
Ian Rotten: 23 matches = 10-11-0 (singles) + 0-2-0 (tag)
JT Smith: 21 matches = 8-11-0 (singles) + 0-2-0 (tag)
Shane Douglas: 19 matches = 12-4-1 (singles) + 1-1-0 (tag)
Eddie Guerrero: 18 matches = 6-4-5 (singles) + 1-2-0 (tag)
New Jack: 17 matches = 0-1-0 (singles) + 7-8-1 (tag)
Mustafa: 16 matches = 1-0-0 (singles) + 7-7-1 (tag)
Tony Stetson: 15 matches = 1-7-1 (singles) + 1-4-1 (tag)
Dudley Dudley: 15 matches = 1-3-0 (singles) + 3-8-0 (tag)
Perry Saturn: 14 matches = 0-0-0 (singles) + 9-5-0 (tag)
Dances with Dudley: 14 matches = 2-1-0 (singles) + 2-9-0 (tag)
John Kronus: 14 matches = 0-0-0 (singles) + 9-5-0 (tag)
Ron Simmons: 13 matches = 6-4-0 (singles) + 1-2-0 (tag)
Jason Knight: 13 matches = 1-8-0 (singles) + 3-1-0 (tag)
Sabu: 12 matches = 8-0-0 (singles) + 2-2-0 (tag)
Marty Jannetty: 12 matches = 5-5-2 (singles) + 0-0-0 (tag)
Don E. Allen: 11 matches = 0-4-1 (singles) + 2-3-1 (tag)
Chris Benoit: 11 matches = 2-0-1 (singles) + 4-4-0 (tag)

5 or more matches

Buh Buh Ray Dudley: 10 matches = 3-0-0 (singles) + 1-6-0 (tag)
911: 10 matches = 5-1-1 (singles) + 3-0-0 (tag)
Rick Steiner: 10 matches = 0-0-0 (singles) + 6-4-0 (tag)
Dino Sendoff: 10 matches = 0-6-0 (singles) + 1-2-1 (tag)
Scott Steiner: 8 matches = 0-0-0 (singles) + 6-2-0 (tag)
El Puerto Ricano: 8 matches = 1-6-0 (singles) + 0-1-0 (tag)
Bull Pain: 8 matches = 1-6-0 (singles) + 0-1-0 (tag)
Chad Austin: 7 matches = 1-2-0 (singles) + 0-3-1 (tag)
Luna Vachon: 7 matches = 2-2-0 (singles) + 0-3-0 (tag)
Vampire Warrior: 6 matches = 2-1-0 (singles) + 0-3-0 (tag)
Terry Funk: 5 matches = 0-3-0 (singles) + 2-0-0 (tag)
Bad Crew #1: 5 matches = 0-0-0 (singles) + 3-2-0 (tag)
Rey Mysterio Jr.: 5 matches = 2-2-0 (singles) + 1-0-0 (tag)
Bad Crew #2: 5 matches = 0-0-0 (singles) + 3-2-0 (tag)
Konnan: 5 matches = 2-1-1 (singles) + 1-0-0 (tag)

Several matches

Bruiser Mastino: 4 matches = 2-2-0 (singles) + 0-0-0 (tag)
Joe Malenko: 4 matches = 2-0-2 (singles) + 0-0-0 (tag)
Psychosis: 4 matches = 1-2-0 (singles) + 0-1-0 (tag)
Double Trouble #1: 4 matches = 1-3-0 (singles) + 0-0-0 (tag)
George Love: 3 matches = 1-0-0 (singles) + 0-2-0 (tag)
Johnny Hotbody: 3 matches = 0-1-0 (singles) + 0-2-0 (tag)
Tully Blanchard: 3 matches = 0-2-1 (singles) + 0-0-0 (tag)
David Sierra: 3 matches = 0-2-0 (singles) + 0-1-0 (tag)
Koji Nakagawa: 3 matches = 0-3-0 (singles) + 0-0-0 (tag)
Tom Prichard: 3 matches = 0-1-0 (singles) + 0-2-0 (tag)
Jim Neidhart: 3 matches = 0-2-1 (singles) + 0-0-0 (tag)
Death Row 3260: 3 matches = 1-0-0 (singles) + 1-1-0 (tag)
Al Snow: 3 matches = 1-2-0 (singles) + 0-0-0 (tag)
Paul Lauria: 3 matches = 1-1-0 (singles) + 1-0-0 (tag)
Osamu Nishimura: 3 matches = 0-2-1 (singles) + 0-0-0 (tag)
Young Dragon #2: 2 matches = 0-0-0 (singles) + 0-2-0 (tag)
Kendall Windham: 2 matches = 2-0-0 (singles) + 0-0-0 (tag)
Tsubo Genjin: 2 matches = 1-0-0 (singles) + 0-1-0 (tag)
Joe DiFuria: 2 matches = 0-1-0 (singles) + 0-1-0 (tag)
Norman Smiley: 2 matches = 0-0-0 (singles) + 0-2-0 (tag)
the Evil Snake: 2 matches = 0-2-0 (singles) + 0-0-0 (tag)
the Blue Meanie: 2 matches = 0-2-0 (singles) + 0-0-0 (tag)
Steve Austin: 2 matches = 0-2-0 (singles) + 0-0-0 (tag)
Snot Dudley: 2 matches = 0-0-0 (singles) + 1-1-0 (tag)
Big Guido: 2 matches = 1-1-0 (singles) + 0-0-0 (tag)
Big Dick Dudley: 2 matches = 0-1-0 (singles) + 1-0-0 (tag)
Beulah McGillicutty: 2 matches = 2-0-0 (singles) + 0-0-0 (tag)
Ranger Seven: 2 matches = 0-1-0 (singles) + 0-1-0 (tag)
Jimmy Del Ray: 2 matches = 0-0-0 (singles) + 0-2-0 (tag)
Hector Guerrero: 2 matches = 0-2-0 (singles) + 0-0-0 (tag)

One Shot Stars

Mr. President: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
Francine: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Rockin' Rebel: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Demon Hellstorm: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Doug Flex: 1 matches = 0-0-0 (singles) + 1-0-0 (tag)
Jim Steele: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Horace Hogan: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Miguel San Juan: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
D-Day: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Jim Powers: 1 matches = 1-0-0 (singles) + 0-0-0 (tag)
Joel Hartgood: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
Hiroyoshi Iekuda: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
Mike Norman: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Pablo Pena: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
the Flamingo Kid: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
the New Jersey Devil: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
DC Drake: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Tod Gordon: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
La Parka: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
Alex G: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Big Malley: 1 matches = 0-1-0 (singles) + 0-0-0 (tag)
Dan Evans: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
Bruno Sassi: 1 matches = 0-0-0 (singles) + 0-1-0 (tag)
Bill Alphonso: 1 matches = 1-0-0 (singles) + 0-0-0 (tag)

Most Wins
Johnny Grunge: 36 clean wins
Rocco Rock: 35 clean wins
Mikey Whipwreck: 29 clean wins + 1 via DQ
The Sandman: 27 clean wins
Tommy Dreamer: 21 clean wins + 1 via DQ
2 Cold Scorpio: 21 clean wins
Stevie Richards: 20 clean wins + 1 via DQ
Pitbulls: 19 clean wins
Cactus Jack: 18 clean wins + 1 via DQ + 1 via count-out

Most Losses
Pitbulls: 26 losses
Hack Myers: 25 losses + 1 via count-out
Stevie Richards: 23 losses + 1 via count-out
Tommy Dreamer: 21 losses + 2 via DQ
Raven: 20 losses + 1 via count-out
Mikey Whipwreck: 19 losses + 2 via DQ
The Sandman: 17 losses + 1 via DQ
2 Cold Scorpio: 15 losses
Cactus Jack: 15 losses

Most Draws
Dean Malenko: 5 draws, 1 double count-out
Eddie Guerrero: 4 draws, 1 double count-out
2 Cold Scorpio: 1 double DQ, 1 draw, 1 no contest
Tommy Dreamer: 2 no contests
The Sandman: 2 no contests
Cactus Jack: 2 no contests
Tony Stetson: 2 no contests
Marty Jannetty: 1 double DQ, 1 no contest
Don E. Allen: 2 no contests
Joe Malenko: 2 draws

Longest Match?
ECW @ Philadelphia, PA - ECW Arena - January 7, 1995 (1,000)
ECW World Champion Shane Douglas fought Tully Blanchard to a time-limit draw at the 43-minute mark

Mikey Whipwreck allegedly wrestled as one of the "Young Dragons" jobber tag team. If that's true, he worked twice on several shows:

ECW @ Jim Thorpe, PA - The Flagstaff - February 3, 1995 (400)
911 defeated the Young Dragons in a handicap match
ECW World Champion Shane Douglas defeated Mikey Whipwreck

Double Tables - Philadelphia, PA - ECW Arena - February 4, 1995 (1,000)
The Pitbulls & Jason defeated the Young Dragons & Hack Meyers at 11:20 when Jason pinned Myers
Mikey Whipwreck pinned Paul Lauria at 9:17

ECW @ Philadelphia, PA - ECW Arena - March 18, 1995 (1,100)
1. Mikey Whipwreck pinned Jason Knight at 8:30
10. Sabu defeated Mikey Whipwreck via submission at 10:34

ECW @ Tampa, FL - Expo Park - July 21, 1995 (800)
Mikey Whipwreck won a battle royal
ECW World Champion the Sandman pinned Mikey Whipwreck

ECW @ Kennett Square, PA - Big Apple Dinner Theatrer - August 28, 1995 (300)
Mikey Whipwreck defeated Dino Sendoff
Mikey Whipwreck (sub. for Johnny Grunge) & Rocco Rock defeated New Jack & Mustafa in a falls count anywhere match when Whipwreck pinned Mustafa

In fact, Mikey worked almost every ECW show that year except:
+ ECW @ Jim Thorpe, PA - The Flagstaff - May 20, 1995 (275)
(With the odd appearance of promoter "Doug Flex" in the main event:
"Doug Flex, ECW Tag Team Champions the Public Enemy defeated Stevie Richards & the Pitbulls when Flex pinned Richards")
+ Hardcore Heaven 95 - Philadelphia, PA - ECW Arena - July 1, 1995
+ ECW @ Orlando, FL - Fairgrounds - July 22, 1995 (600)

They wrestled in 1995 ECW?
Marty Jannetty
Ron Simmons
Big Guido (Jim Powers defeated Primo Carnera III)
La Parka
Jim Neidhart
Norman Smiley
Double Trouble #1 (Val Puccio) - one of the fat Undertakers that Vince used briefly to get the Undertaker gimmick