Kōichi Hashimoto

Television animation

1977

• Ore wa Teppei
• Ippatsu Kanta-kun (Hisashi Gohigō)

1983

• Captain Tsubasa (Genzō Wakabayashi)
• Aura Battler Dunbine (Fei Chenka)

1984

• Katri, Girl of the Meadows (Biriyami)

1985

• Blue Comet SPT Layzner (Bohn, Derol)

1986

• The Wonderful Wizard of Oz
• Ginga: Nagareboshi Gin (Wilson)
• Saint Seiya (Cygnus Hyōga)
• High School! Kimengumi (Kyūma Taku)

1987

• City Hunter (Announcer)
• Mister Ajikko (Akihiko)

1988

• Tatakae!! Ramenman (Cheng)
• Hello! Lady Lynn (Gym)

1989

• Kimba the White Lion (Zoo Announcer)

1994

• Mobile Fighter G Gundam (Wong Yunfat)
• Sailor Moon S (Kakusui Yakushiji)

1996

• Rurouni Kenshin (Kanekura)

1998

• Silent Möbius (Robert De Vice)
• Detective Conan (Junko's father (Yoshiaki Hara))

2000

• One Piece (Captain Kuro, Sai)

2004

• Beet the Vandel Buster (Barasa)

Unknown date

• Aoki Densetsu Shoot! (Naoshige Serizawa)
• Future GPX Cyber Formula (Announcer)
• The Super Dimension Century Orguss (Slay)
• Tales of Eternia (Tasuteku Burukāno)
• Machine Robo: Revenge of Cronos (Rod Drill)
• Magical Taruruto-kun (Ashita Banryū)

OVA

• Captain Tsubasa: Holland Youth (xxxx) (Genzō Wakabayashi)
• Legend of the Galactic Heroes (xxxx) (Gunter Kesselring)
• Saint Seiya (xxxx) (Cygnus Hyōga)
• Megazone 23 (xxxx) (Nakao)
• Mobile Suit Gundam 0083: Stardust Memory (1991) (Bicok)

Theatrical animation

• Captain Tsubasa series (xxxx) (Genzō Wakabayashi)
• Silent Möbius 2 (1992) (Robert De Vice)
• Saint Seiya series (xxxx) (Cygnus Hyōga)
• Space Runaway Ideon ((xxxx) Marusu Bento)
• Doraemon: Nobita's Monstrous Underwater Castle (1983) (Ocean Dweller)
• The Plot of the Fuma Clan (xxxx) (Fuma B)
• Doraemon: Nobita and the Birth of Japan (1989) (Future Time Patroller)