Well I finally went through all my stuff yesterday and made a list of all my fighters. all games are complete unless noted.
NES
None, are there any besides TMNT Tournament Fighter? I do have a SF2 fami pirate
Genesis
Eternal Champions
Mortal Kombat 2
Super Street Fighter 2
Time Killers
SNES
Killer Instinct
Mortal Kombat
Mortal Kombat 2
Ultimate MK3
Samurai Shodown
Samurai Spirits (import, much better cover art)
Street Fighter 2
Street Fighter 2 Turbo
Street Fighter Alpha 2
Saturn
US
Mortal Kombat 2
Ultimate MK3
Import
Advanced VG
Fighters Megamix
Groove on Fight w/RAM
Marvel Super Heroes
Marvel vs Street Fighter
Pretty Fighter X
Samurai Shodown 3
Samurai Shodown 4
Vampire Hunter
Virtua Fighter 2
Virtua Fighter Kids
X-men Children of the Atom
X-men vs Street Fighter w/RAM
PSX
US
Capcom vs SNK Pro
Darkstalkers 3
Guilty Gear
Gundam Battle Assault
JoJo's Bizarre Adventure
King of Fighters '95
Marvel Super Heroes
Marvel vs Street Fighter
Mortal Kombat Trilogy
Pocket Fighter
Samurai Shodown 3 Blades of Blood
Samurai Shodown Warriors Rage
Soul Blade
Street Fighter Alpha (long box)
Street Fighter Alpha 2
Street Fighter Alpha 3
Street Fighter Collection
Street Fighter Collection 2
Street Fighter ex2 plus
Tekken 2
Tekken 3
X-men Children of the Atom
X-men vs Street Fighter
Import
The Last Blade
Samurai Sprits 1 and 2
Samurai Spirits 3
Samurai Spirits 4 Special (most likely a pirate)
Street Fighter Zero
X-men vs Street Fighter ex
N64
Killer Instinct Gold
Dreamcast
US
Capcom vs SNK
Dead or Alive 2
Fatal Fury: Mark of the Wolves
JoJo's Bizarre Adventure
King of Fighters Dream Match '99
King of Fighters '99
The Last Blade 2
Marvel vs Capcom
Marvel vs Capcom 2
Power Stone 2 (no instructions)
Soul Calibur
Street Fighter 3 Third Strike
Tech Romancer
Import
Capcom vs SNK 2000
Guilty Gear X w/mini music cd
King of Fighters 2000
The Last Blade 2 Final Edition
Street Fighter Zero 3 for Matching Service
Super Street Fighter 2 X for Matching Service
Vampire Chronicle for Matching Service
PS2
Capcom vs SNK 2
Guilty Gear X
Tekken Tag Tournament
and finally the Neo Geo
US
King of Fighters '94
Import
Fatal Fury 2
King of Fighters '98
Samurai Spirits
Samurai Spirits 2