Tags: Cyclist.
William Luther Griggs (b. September 16 1968 from Anaheim California U.S.) is an American Old School/Mid School former professional Bicycle Motocross (BMX) racer whose prime competitive years were from 1985 to 1996.His nickname was Mr. Bill which was a play on his name and an allusion to a late 1970s Saturday Night Live skit called The Mr.