Robert Sullivan shi ne wanda ya kafa kuma babban malamin Go-Kan-Ryu Karate.
Tabbas, mafi rikitarwa na jumla shine "Robert Sullivan shine Founder da Babban Malami na Go-Kan-Ryu Karate an sanya shi zuwa 8th dan black belt ta Babban Malamansa a ranar 16 ga watan Agusta 2009, kodayake ba a taɓa yin waje ba sama da 2nd dan. "