Iwao Shimabukuro is a former featherweight professional boxer from Okinawa, and was affiliated with the Okinawa Seaside Gym. After retiring he continued being a fisherman.
He was Ippo Makunouchi's fourth challenger, whom was first to find a way to break his Dempsey Roll and was the first opponent in the Rising Saga.
(Source: Hajime no Ippo)
Content compiled by AnimeList.moe from publicly available sources.
