Kōji Yada

Anime television series

• Star of the Giants (1969) (Jirō Masuda, Tsuneo Horiuchi)
• Andersen Stories (1971) (Elen's Grandfather)
• Getter Robo (1974) (Monji Ogarashi, Daizo Jin, Daimajin Yura)
• Maeterlinck's Blue Bird: Tyltyl and Mytyl's Adventurous Journey (1980) (Tyltyl and Mytyl's Father, Spirit of the Time)
• Fist of the North Star (1984) (Colonel, Hidora)
• Yume Senshi Wingman (1984) (Kenta's Father)
• Ginga: Nagareboshi Gin (1986) (Sniper, Daisuke's Father)
• City Hunter '91 (1991) (Boss)
• High School Mystery: Gakuen Nanafushigi (1991) (Shinichi Tajima)
• Dragon Ball Z (1992) (Android #20/Dr. Gero)
• 21 Emon (1992) (Orino Masakazu)
• A Dog of Flanders: My Patrasche (1992) (Bowman)
• Aoki Densetsu Shoot! (1994) (Coach Matoba)
• Dr. Slump (Remake) (1998) (Tsuruten)
• Trouble Chocolate (1999) (Tetsusaburo Omori)
• Crash B-Daman (2006) (Saionji Kurando)

Unknown date

• Angel Heart (Chin)
• Arrow Emblem Hawk of the Grand Prix (Narrator)
• Bakuhatsu Goro (Onimaru)
• Digimon Xros Wars (Deckerdramon)
• Dragon Ball Z Kai (Dr. Gero)
• Detective Conan:Magic Kaito Special (Konosuke Jii)
• Dragon Ball GT (Dr. Gero)
• GeGeGe no Kitarou 2nd Series (Konaki Jijii)
• Getter Robo G (Professor Grah, Iron Armor Mask)
• Hello! Lady Lynn (Headmaster)
• Hanbun no Tsuki ga Noboru Sora (Yoshizou Tada)
• High School Mystery: Gakuen Nanafushigi (Shinichi Tajima)
• Jungle Kurobe (Shishi-otoko's Papa)
• Lupin III Part III (Bruce)
• Mazinger Z (Narrator, Professor Morimori, Pigman, Iron Mask)
• Monster (Achmed Mustafa)
• One Piece (Zeff, Raoul, Strong World Episode 0(Impel Down warden))
• Rocky Chuck the Mountain Rat (Bob the Quail)
• Saint Seiya (Libra Dohko (Roshi))
• Space Battleship Yamato Series (General Talon)
• Time Patrol Rescueman (Sandoitchi)

OVA

• Garou Densetsu/Fatal Fury (xxxx) (Tung Fu Rue)
• Legend of the Galactic Heroes (xxxx) (Sebastion von Musel)
• Saint Seiya Hades Chapter (xxxx) (Roshi)

Movies

• Dragon Ball Z: Extreme Battle! The Three Great Super Saiyajin (1992) (Dr. Gero)
• Dragon Ball Z: The Strongest in the World (1990) (Dr. Kochin)
• Farewell Space Battleship Yamato (xxxx) (General Talon)
• Fist of the North Star (xxxx) (Colonel)
• Kinnikuman Movies (xxxx):
• Kinnikuman: Stolen Championship Belt (xxxx) (Mouko-Seijin)
• Counterattack! The Underground Space Choujins (xxxx) (Hydra Būton)
• Great Riot! Justice Superman (xxxx) (Black Great Ukon)
• Hour of Triumph! Justice Superman (xxxx) (The Nio)
• Justice Superman vs. Ancient Superman (xxxx) (Gun Satan)
• Mazinger Z vs. Devilman (1972) (Professor Nossori)

Games

• Dragon Ball Z 2: Super Battle (1995) (Dr. Gero / Android 20)^[2]
• Dead or Alive (1996) (Raidou)
• JoJo's Bizarre Adventure: Phantom Blood (2006) (Dario Brando)^[2]
• Klonoa (2008) (Grandpa)^[2]
• Yakuza 4 (2010) (Yoshiharu Ueno)^[2]
• Kid Icarus: Uprising (2012) (Dyntos)^[2]

unknown date

• BS Fire Emblem: Akaneia Senki (xxxx) (Bore, Dice, and Buruzaku)
• BS Zelda no Densetsu Inishie no Sekiban (xxxx) (Ajina)
• Dragon Ball Z Series (xxxx-xx) (Dr. Gero)
• Dragon Ball Z Sparking! (xxxx) Series (Dr. Gero)
• R's Study (Ｒの書斎, R no Shosai) (xxxx) (Owner of the Inn, Photo Shop, Mr. Mamoru Mori, Muramoto, and Father T.)
• Space Battleship Yamato Series (xxxx-xx) (General Talon)
• Super Robot Wars Series (xxxx-xx) (Kevin Oruto)
• Tokimeki Memorial Girl's Side: 2nd Kiss (xxxx-xx) (Souichirou Saeki)

Tokusatsu

• Akumaizer 3 (xxxx) (voice of Evil)
• Choujin Bibyun (xxxx) (voice of Evil)
• Ganbare!! Robocon (xxxx) (voice of Robopar, Robo Mecha)
• Robot Detective ((xxxx) voce of Seven man, voice of Spring man, voice of Gear man)
• Sliver Mask (xxxx) (voice of Alien Shine)
• Ultraman (1966) (voice of Underground People X)
• Ultra Seven (1967) (voice of Alien Cool, voice of Alien Iyros, voice of AlienPoll, voice of Alien Goron)

• Kōji Yada at Anime News Network's encyclopedia
• Kōji Yada at IMDb