|Date of birth:||February 4, 1936|
|Place of birth:||Tokyo Prefecture (present Tokyo Metropolitan Prefecture)|
|Voice of:||Jirokichi Suzuki (Ep. 746~)|
Kokichi Tomita (富田 耕吉 Tomita Kōkichi, born February 4, 1936), better known by his stage name Kosei Tomita (富田 耕生 Tomita Kōsei), is a seiyū from Tokyo Prefecture (present Tokyo Metropolitan Prefecture)..
In Detective Conan and Magic Kaito 1412 he voices Jirokichi Suzuki. He also voiced the criminal Takeo Mikami in A Ghost Ship Murder Case, Yoshizaku Watazuki in The Mysterious Mole Alien Case, and Kenzo Akatsuka in The Evil Spirit Appears on An Unlucky Day.
Other notable roles
- Gigantor as Inspector Ootsuka
- Sally the Witch as Daimaō
- Pyunpyunmaru as Darapon, Gorogoron, and other
- Akane-chan as Kitakōji
- Kaibutsu-kun as Fishman (1st), and other
- GeGeGe no Kitarō as Kamaitachi, Dr. Ueshima, Kurokawa, Bakkubeādo, Gyoubu-danuki, Ittan Momen, Odoro-odoro, Karasutengu, Wanyūdō, Tenome, Noppera-bō, Winged cat, Shigeru Mizuki, and other
- Cyborg 009 as Dr. Gilmore
- Doraemon (Nippon TV version) as Doraemon
- Legend of the Galactic Heroes as Alexandre Bewcock