Solid Snake vs. Liquid Snake
UPDATE
Alucard vs. Dracula
Amaterasu vs. Orochi
Arthas vs. Illidan
*B.J. Blazkowicz vs. Adolf - whipper
Banjo vs. Gruntilda
*Big Boss vs. The Boss - Scorp
Captain Falcon vs. Shadow
Cecil vs. Golbez
Chell vs. GlaDOS
Chris Redfield vs. Wesker
*Conker vs. Great Mighty Poo - darkx
Dan vs. Sagat
*Donkey Kong vs. King K. Rool - 521
Ezio vs. Rodrigo
*Fox McCloud vs. Wolf O'Donnell - Great_Paul
*Frog vs. Magus - jacko
*Ike vs. Black Knight - Suor
*Kirby vs. Meta Knight - WhiteLens
*Layton vs. Don Paolo - JONALEON
*Link vs. Ganondorf - bbbtime
*Mario vs. Bowser - Wilhuff
Mega Man vs. Dr. Wily
Ness vs. Giygas
*Pac-Man vs. Blinky - kenrmcha
*Pokemon Trainer Red vs. Blue - 521
Raiden vs. Vamp
*Ramza vs. Delita - Evillord
*Ryu vs. Ken - TUM
Samus vs. Ridley
Shepard vs. Saren
Siegfried vs. Nightmare
*Sol Badguy vs. Ky Kiske - TUM
*Solid Snake vs. Liquid Snake - Scorp
*Sora vs. Riku - Genesis
*Squall vs. Seifer - crazyis
Sub-Zero vs. Scorpion
Terra vs. Kefka
*Tidus vs. Jecht - Genesis
*Tom Nook vs. Crazy Redd - 521
*Vyse vs. Galcian - bbbtime
X vs. Zero
*Yuna vs. Seymour - vcharon