Tomomichi Nishimura (西村 知道, Nishimura Tomomichi), born June 2, 1946, is a veteran voice actor who was born in Chiba and works for ARTSVISION. His roles, then, tend to go by a wide variety of "old guys" type. He can be the Dirty Old Man, the Cool Old Guy, the Old Master, etc.
Most people would remember him as Shibaraku Tsurugibe of the Mashin Hero Wataru Series, Jorge Saotome—Koenma's comedic blue ogre assistant in Yu Yu Hakusho, Coach Mitsuyoshi Anzai of Slam Dunk, Akuma, a demonic human with a code of honor Above Good and Evil, and the power hungry dictator of Shadaloo (known as either "Vega" or "M. Bison" depending on the version) in Street Fighter.
- Armor Geist and Jinichi Hoshikawa in Brave Exkaiser
- Beast Chimera in Kamen Rider Wizard
- Cyclonus, Steeljaw, and Misfire in Transformers Headmasters
- Deathcobra in Transformers Victory
- Dr. Rashomon in Granblue Fantasy
- Edward "The Elder" Hamilton in Chrono Crusade
- Engine Jum-bowhale in Engine Sentai Go-onger
- Enho in The Twelve Kingdoms
- Minister Foss in Berserk (2016)
- General Pierre La Pointe in the Japanese dub of Ace Combat: Assault Horizon
- Gougasha, Kento's opponent in the Ronin Warriors drama CD Tsuki
- Hikawa Shinobu (Mariko's father) in Dear Brother
- Jamitov Hyman in Mobile Suit Zeta Gundam
- Katsumi Shibuya's father in Zetsuai 1989
- Mitsuyoshi Anzai in Slam Dunk
- The Narrator and Jorge Saotome in Yu Yu Hakusho
- Onoki, the Third Tsuchikage in Naruto
- Pitalia Lope in Future GPX Cyber Formula
- President Howard Glass in Macross Frontier
- President Moebius in Fresh Pretty Cure!
- Raizou Imawano in Rival Schools
- Rei's grandpa in Sailor Moon
- Mr. Sekigami the voice actor in Sore ga Seiyuu!.
- Silverbolt and Superion in the Japanese dub of The Transformers
- Shibaraku Tsurugibe in theMashin Hero Wataru Series
- Shinji Nagumo's boss and victim in the Tokyo Babylon OAV
- General Takeda in Zettai Muteki Raijin-Oh, Genki Bakuhatsu Ganbaruger, and Nekketsu Saikyo Gosaurer
- Tanosuke Hata in Mirai Robo Daltanious
- Vega/M. Bison (darrin'd by Norio Wakamoto note ) and Gouki/Akuma (darrin'd by Taketora note ) in the Street Fighter and Capcom vs. games
- The Yakuza boss in Yarudora series vol.3: Sampaguita