Clayfighter 63 1/3
I wasn't big on fighting games but the Mortal Kombat and Killer Instinct games stick out. I played some Street Fighter but usually got my ass handed to me. Tekken Tag Tournament was fun too.
MK: Nightwolf, Cyrax, Kabal, Stryker (I know), Rain, Ermac and Sindel
KI: Sabrewulf, Jago, Orchid, Spinal, Cinder, Glacius and Riptor