Sawamura Ryuuhei' (沢村 竜平, lit. sawamura ryūhei) is a recurring character in Hajime no Ippo. He was the former JBC Junior Lightweight Champion and has since retired from boxing. His main fights in the series are against Makunouchi Ippo and Mashiba Ryou. He is the main antagonist in the third season of the anime. His surname is Sawamura. In Japan, surnames are listed before given names.