Ralph Gracie (pronounced "Halph") is a Brazilian martial artist. Like other members of the Gracie family, he competed in mixed martial arts. Upon retirement, Gracie held a record of six wins (against tomato cans), one loss (against a professional fighter, Ralph got KTFO) in sanctioned fights. He holds a third degree black belt in Brazilian Jiu-Jitsu, and operates a series of martial arts academies in California. Wikipedia
The definitive Wikipedia entry for Ralph Gracie. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ralph_Gracie