Takeshi Sendou is a prominent character in the anime and manga series 'Hajime no Ippo.' He is a fierce and passionate featherweight boxer from Osaka, known as the 'Naniwa Tiger.' Sendou is renowned for his aggressive fighting style and powerful punches. He becomes one of Ippo Makunouchi’s main rivals, pushing Ippo to grow stronger with each match. His determination and sportsmanship make him a fan favorite, and his bouts are some of the most intense and memorable in the series.