For MMA history Buffs...

http://en.wikipedia.org/wiki/Mitsuyo_Maeda - (Warning Long Read! But good if your bored in work )

http://en.wikipedia.org/wiki/Masahiko_Kimura

http://en.wikipedia.org/wiki/Valdemar_Santana

"After nearly four hours of combat, Gracie succumbed to exhaustion" - And people think early UFC's were brutal!!!

oh yeah Kimura and Santana are the guys the "undefeated Gracies" lost to lol

http://en.wikipedia.org/wiki/Masutatsu_Oyama

Thought this guy deserves a mention, partially because its a martial art I used to train in.

He can almost take credit for inventing karate.

He also fought 52 bulls in his lifetime. Pretty badass...