Kōzō Shioya

was a Japanese actor, voice actor and narrator from Kagoshima Prefecture. He was represented by Aoni Production. Shioya died of a cerebral hemorrhage on January 20, 2026, at the age of 70. His younger brother Yoku Shioya is also an actor and voice actor.

Filmography

Television animation

• Mobile Suit Zeta Gundam (1985) (Roberto, Saegusa)
• ' (1985) (Drunk)
• Blue Comet SPT Layzner (1985) (Manjuro)
• Mobile Suit Gundam ZZ (1986) (Mondo Agake)
• Dragon Ball (1986) (Suspicious Bird (episode 29), Panput's manager (episode 92))
• ' (1986) (ChÅ«tora, Jaguar)
• ' (1988) ()
• Ranma ½ (1989) (Oni)
• Dragon Ball Z (1989) (Majin Boo, Gurd, Universal Capsule Robot No. C6 (episode 9), Vodka (episode 174), Mō Kekkō (episode 290))

• Kyatto Ninden Teyandee (1990) (Inuyama Wankō-no-Kami)
• Magical Taruruto-kun (1990) (Great King Dowaha)
• ' (1990) (Totapo)
• The Brave Fighter of Sun Fighbird (1991) (Ace Baron, Thunder Baron/Thunder Jet)
• Future GPX Cyber Formula (1991) (Checker Sugimoto)
• The Brave Fighter of Legend Da-Garn (1992) (De Butcho)
• Nintama Rantarō (1993) (Dai-San-Kyōeimaru Hyōgo, Dai-Yon-Kyōeimaru Hyōgo)
• Slam Dunk (1993) (Kazushi Hasegawa, Nozomi Takamiya)
• Slayers (1995) (Noonsa)
• GeGeGe no Kitarō 4th series (1996) (Konaki-Jijii)
• Dragon Ball GT (1996) (Majin Boo)
• The King of Braves GaoGaiGar (1997) (Isamu Amami, Polonaise)

• One Piece (2000) (Genzo, Pappag, Edward Weevil)
• Kinnikuman II-Sei (2002) (Mayumi Kinniku)
• Mobile Suit Gundam SEED (2003) (Al Jairi)
• Futari wa Pretty Cure (2004) (Principal)
• Naruto (2005) (Jigumo)
• Yu-Gi-Oh! 5D's (Garome (episode 69))

• Digimon Xros Wars (2011) (Olegmon)
• Golden Time (2013) (Kōko's Father)
• Dragon Ball Kai (2014) (Majin Boo)
• World Trigger (2014) (Motokichi Kinuta)
• Dragon Ball Super (2015) (Majin Boo, Peru)
• GeGeGe no Kitarō 6th series (2018)(Tantanbō (ep. 3, 19), Kagami Jijii (ep. 8), Azuki Hakari (ep. 31)) (ep. 3, 8, 19, 31, )
• Tada Never Falls in Love (2018) (Villain″Reinbō Shōgun″) (ep. 3)
• Gakuen Basara (2018) (Xavi)

• ' (2020) (Yukihiro Kiyomizu)
• ' (2021) (ShogunGekomon, Olegmon)
• Ragna Crimson (2023) (Temruogtaf)

Original video animation (OVA)

• Megazone 23 (1986) (Gutz)
• ' (1989) (Shiratsuyu)
• Legend of the Galactic Heroes (1988) (Fyodor Patrichev)

• ' (1983) (Mu Patrolling Crew Member)
• They Were Eleven (1986) (Dolph Tasta)
• ' (1989) (Oompe)
• Movie Fresh Pretty Cure! The Kingdom of Toys has Lots of Secrets!? (2009) (Toy Majin)
• ' (2010) (Taikon)
• ' (2011) (Toy Majin)
• ' (2013) (Majin Boo)
• ' (2015) (Akiyama)
• Shimajiro in Bookland (2016) (Voice)

• Dragon Ball series (1994–2026) (Majin Boo)
• BS Nichibutsu Mahjong (????) (Manning Tanaka)
• ' (1997) (Shinnosuke Tachibana, Shintaro Tachibana, Jiro Kusano)
• Kingdom Hearts II (2005) (Chien-Po)
• ' (2001) (Fatman)
• ' (2004) (Nikita Khrushchev)
• ' (2004) (Botos, Dr.Psyche)
• SatellaWalker (????) (Anda)
• SatellaWalker 2 (????) (Anda)
• Sengoku Basara (2005) (Imagawa Yoshimoto, Xavi)
• Sengoku Basara 2 (2006) (Imagawa Yoshimoto, Xavi)
• ' (2007) (Imagawa Yoshimoto, Xavi)
• Tales of Hearts (2008) (Kornerupine)
• ' (2009) (Imagawa Yoshimoto, Xavi)
• ' (2011) (Imagawa Yoshimoto, Xavi)
• Return to PopoloCrois (2015) (Minister)

Tokusatsu

• Juukou B-Fighter (1995) (Synthetic Beast Ebiganya) (ep. 26)
• Ultraman Tiga (1996) (Alien Standel Abolbas) (ep. 17)
• Gekisou Sentai Carranger (1996) (YY Gonza) (ep. 8)
• Mirai Sentai Timeranger (2000) (Blackmailer Geymark) (ep. 12, 45)
• Hyakujuu Sentai Gaoranger (2001) (Vacuum cleaner Org) (ep. 15)
• Bakuryuu Sentai Abaranger (2003) (Blastasaur Parasarokkiro) (eps. 19 – 50)
• BakuryÅ« Sentai Abaranger DELUXE: Abare Summer is Freezing Cold! (2003) (Burstosaur Parasarokkiro)
• BakuryÅ« Sentai Abaranger vs. Hurricaneger (2004) (Burstosaur Parasarokkiro)
• Tokusou Sentai Dekaranger (2005) (Kulernian Jellyfis) (ep. 48 – 49)
• Tensou Sentai Goseiger (2010) (Daicaci Alien Yokubabanger of the Electric Shock) (ep. 11)
• Zyuden Sentai Kyoryuger (2013) (Debo Jakireen) (ep. 13)
• Shuriken Sentai Ninninger (2015) (Youkai Daidarabotchi) (ep. 10)
• Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger (2018) (Ryugu Tamatebacco) (ep. 28)

Dubbing

Live-action

• Oliver Platt
• Indecent Proposal (Jeremy)
• The Temp (Hartsell)
• The Three Musketeers (1998 TV Asahi edition) (Porthos)
• Bicentennial Man (2003 NTV edition) (Rupert Burns)
• Pieces of April (Jim Burns)
• Alice in Wonderland (Nivens McTwisp the White Rabbit (Michael Sheen))
• Alice Through the Looking Glass (Nivens McTwisp the White Rabbit (Michael Sheen))
• ' (Mean Murphy Knuckles (Perry Benson))
• Armageddon (2002 Fuji TV edition) (Max Lennert (Ken Hudson Campbell))
• Batman Begins (2007 NTV edition) (Arnold Flass (Mark Boone Junior))
• Brothers & Sisters (Dennis York (Peter Gerety))
• Catch Me If You Can (Earl Amdursky (Brian Howe))
• CJ7 (The Boss (Lam Chi-chung))
• Constantine (Father Hennessy (Pruitt Taylor Vince))
• Daddy Day Care (Phil Ryerson (Jeff Garlin))
• Die Hard with a Vengeance (Charles Weiss (Kevin Chamberlin))
• Envy (Nick Vanderpark (Jack Black))
• ER (Jerry Markovic (Abraham Benrubi))
• Exit Wounds (2004 NTV edition) (T. K. Johnson (Anthony Anderson))
• The Full Monty (Dave Horsefall (Mark Addy))
• Get Smart (2011 TV Asahi edition) (Larabee (David Koechner))
• Ghosts of Mars (James "Desolation" Williams (Ice Cube))
• The Invention of Lying (Marl Bellison (Ricky Gervais))
• ' (Dr. Robert Burke (Thomas F. Duffy))
• ' (Paul Blart (Kevin James))
• ' (Paul Blart (Kevin James))
• Red Planet (Dr. Quinn Burchenal (Tom Sizemore))
• Rise of the Planet of the Apes (Robert Franklin (Tyler Labine))
• Saving Private Ryan (Sergeant Horvath (Tom Sizemore))
• She-Wolf of London (Charles)
• Shaolin Soccer (Light Weight Vest (Lam Chi-chung))
• Simon Sez (Micro (John Pinette))
• Skiptrace (Yung (Eric Tsang))
• Spin City (Paul Lassiter (Richard Kind))
• True Memoirs of an International Assassin (Netflix edition) (Sam Larson (Kevin James))

Animation

• ' (George (Pa Grape))
• Maya & Miguel (Madonaldo)
• Mulan (Chien Po)
• Mulan II (Chien Po)
• Penguins of Madagascar (King Julien XIII)
• Sonic SatAM (Rotor Walrus)
• Thomas the Tank Engine and Friends (Duck (Season 2–7), Murdoch (Season 7), Kelly, Lorry 3, Jem Cole (Season 2) and additional voices (Season 1–7))