Mitsuo Hashimoto (橋本 光雄, Hashimoto Mitsuo; May 1, 1931 – May 24, 1997), better known by the stage name Kinpei Azusa (あずさ 欣平, Azusa Kinpei), was a Japanese voice actor born in Fukushima Prefecture, Japan. He was employed by the talent management firm Aoni Production. Between the ages of three and six, Azusa was trained in the theatre. At the age of five, he was given the name Kinzō Azusa. On May 1, 1962, Azusa undertook the establishment of a coaching foundation, Gekidan Geikyō (currently represented by Takeshi Aono). Azusa died in 1997 at the age of 66.
Source: “Kinpei Azusa”, English Wikipedia (CC BY-SA 4.0), excerpt