Mario vs. Bowser - 65%
Mega Man X vs. Zero - 56.55%
Pokemon Trainer Red vs. Pokemon Trainer Blue - 51.5%
Samus Aran vs. Ridley - 52.5%
Link vs. Ganondorf - 73.5%
Alucard vs. Dracula - 51%
Cloud Strife vs. Sephiroth - 56.5%
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Praise the Black Turtle, Game of the Decade Guru Champ.
(Well, I never promised creativity, did I?!)