Who Is, or Was, the Greatest Martial Artist in History?

Maybe we should start with the special grand masters who came up with their own unique styles -

I only got to the rank of 2nd degree black belt in Chinese & American Kenpo, so I am certainly no expert. I earned all my higher belts at American Karate Studios in Northeastern Ohio, and was a competitor on the PKC circuit for over a decade and 20 years …

Hasn't YSU's Head Coach Bo Pelini proven himself enough already? Why did he have to recruit a young man with a very dark past, throwing the poor kid into a national scandal?