Sendō is an aggressive mid-range fighter, and his specialty punch is the "Smash", Deadly Smash and Ultra Low Smash which was popularized and created by Donovan Ruddock. He resides in the Naniwa Ward of Osaka, where his is known as "Rocky" and the "Naniwa Tiger." His "Rocky" nickname was influenced by his power boxing style similar to that of Rocky Marciano, the only heavyweight champion in history to retire undefeated. In a recent interview with Shōnen Magazine, Hajime no Ippo's manga artist, George Morikawa said that Hidekazu Akai was also one of his models for Sendo. Like Sendo, Akai was from Osaka and was nicknamed the Naniwa Rocky.