Solid Snake vs. Liquid Snake
UPDATE
Alucard vs. Dracula
*Big Boss vs. The Boss - Scorp
*Chell vs. GlaDOS - JC
Chris Redfield vs. Wesker
Cloud vs. Sephiroth
Conker vs. Great Mighty Poo
*Crash vs. Neo Cortex - mcflubbin
Dan vs. Sagat
*Fox McCloud vs. Wolf O'Donnell - WhiteLens
*Frog vs. Magus - jacko
*Katherine vs. Catherine - whipper
*Kirby vs. Meta Knight - WhiteLens
Link vs. Ganondorf
*Luigi vs. Waluigi - paulg
*Mario vs. Bowser - Wilhuff
*Mega Man vs. Dr. Wily - Wilhuff
Phoenix Wright vs. Edgeworth
*Pokemon Trainer Red vs. Blue - 521
Raiden vs. Vamp
*Ryu vs. Ken - TUM
*Solid Snake vs. Liquid Snake - Scorp
Sonic vs. Dr. Robotnik
Squall vs. Seifer
*Sub-Zero vs. Scorpion - Suor
*Tidus vs. Jecht - Genesis
Tom Nook vs. Crazy Redd
Yuna vs. Seymour