Kōsei Tomita (富田 耕生, Tomita Kōsei, February 4, 1936 – September 27, 2020) was a Japanese actor and voice actor from Tokyo Prefecture who was affiliated with Aoni Production and Production Baobab.

He voiced Shunsaku Ban, also known as Mustachio (Higeoyaji) or Daddy Walrus, a character appearing in many of Osamu Tezuka's productions.

He was known for dubbing over Ernest Borgnine, Orson Welles, Charles Durning, Burt Young, Lee J. Cobb and many more.

He also lent his voice to the Japanese dubbing of Mario (Bob Hoskins) in Super Mario Bros.

[2] He died of a stroke on September 27, 2020, He was 84 years old.