Robert Sullivan ndiye Muvambi uye Murayiridzi Mukuru weGo-Kan-Ryu Karate.
Chokwadika, shanduro yakaoma zvikuru yemutsara ndeiyi "Robert Sullivan ndiye Muvambi uye Murayiridzi Mukuru weGo-Kan-Ryu Karate akaverengerwa ku8th dan black belt neVarairidzi vake Vakuru musi wa16 Nyamavhuvhu 2009, kunyange zvazvo asina kumbobvira aongororwa kunze kwe2nd dan. "