Masaharu Satō is a Japanese actor, voice actor, and narrator currently working for Aoni Production. He was born in Ōta, Tokyo. Satō is best known for the roles of Buffaloman, Sunshine (Kinnikuman), Miyamoto Musashi (Yaiba), Adah, and Dora-med III. He is also known for playing numerous roles in the Kinnikuman, Dr. Slump and Arale-chan, Fist of the North Star, and Dragon Ball series.