Upon his return from the Olympics, Robin retired his amateur wrestling career having never lost a match- a feat unmatched by anyone else in the history of the sport other than Japan's Osamu Watanabe
Osamu Tezuka | Sadao Watanabe | Watanabe Entertainment | Osamu Nishimura | Osamu Dazai | Sadao Watanabe (musician) | Shinichi Watanabe | Kazumi Watanabe | Ken Watanabe | Takeo Watanabe | Osamu Shimomura | Hiroshi Watanabe | Akio Watanabe | Yuuya Watanabe | Watanabe TokutarÅ | Watanabe Productions | Shunsuke Watanabe | Osamu Watanabe | Osamu Mukai | Osamu Kitajima | Osamu Kido | Mamoru Watanabe | Makoto Sei Watanabe | Kazumi Watanabe (sport shooter) | Katsuaki Watanabe |