Acting
Koichi Yamadera
Koichi Yamadera is a Japanese voice actor and radio personality, known for voicing Jim Carrey and Eddie Murphy in the Japanese language releases of their respective films. In 2006, he divorced voice actress Mika Kanai. His most notable characters are Spike Spiegel from Cowboy Bebop (1998) and the subsequent follow up film Cowboy Bebop: The Movie (2001), Beerus from the longstanding Dragonball franchise, and the modern day voice of Inspector Zenigata of the longstanding Lupin the Third franchise after the retirement of the previous voice actor Gorō Naya and first appearing in the role in Lupin the Third: Blood Seal of the Eternal Mermaid (2011)
Acting
- 2026Dragon Ball Super: BeerusBeerus (voice)19 ep.
- 2026Love Unseen Beneath the Clear Night SkyKazuki Miura (voice)2 ep.
- 2026Punch-Drunk Woman3 ep.
- 2025TV Anime: The Legend of Heiロウクン（老君）13 ep.
- 2025Kamen Rider ZEZTZZEZTZ Driver (voice)50 ep.
- 2025Mobile Suit Gundam GQuuuuuuXGihren Zabi (voice)1 ep.
- 2025LazarusSkinner (voice)6 ep.
- 2025MIRU: Paths to My FutureYoshimura (Voice)1 ep.
- 2025Your FormaKuprian Valentinovich Napolov (voice)13 ep.
- 2024Ranma1/2Ryoga Hibiki (voice)16 ep.
- 2024Star Blazers [Space Battleship Yamato] 2205: The New VoyageAbert Desler8 ep.
- 2024IshuraShalk the Sound Slicer (voice)12 ep.
- 2023PLUTONorth No.2 (voice)2 ep.
- 2023ANIME MANGA EXPLOSIONSelf - Voice Actor1 ep.
- 2023My Home HeroShino (voice)1 ep.
- 2022ArknightsWei Yenwu (voice)26 ep.
- 2022Shin Ultra FightNarrator (voice)3 ep.
- 2022宇宙戦艦ヤマト2205 新たなる旅立ち 後章 -STASHA-Aberdt Desler (voice)4 ep.
- 2021宇宙戦艦ヤマト2205 新たなる旅立ち 前章 -TAKE OFF-Aberdt Desler (voice)4 ep.
- 2021Baki HanmaLips, Teeth, Tongue (voice)12 ep.
- 2021EdenZero (voice)4 ep.
- 2021Welcome Home, MoneEndo Katsutoshi120 ep.
- 2021Voice Spring!Genmai Odawara10 ep.
- 2021GLOOMY The Naughty GrizzlyGloomy (voice)12 ep.
- 2021MARS REDTokuichi Yamagami (voice)13 ep.
- 2020Kamen Rider Zero-One: Super Job WarNarrator6 ep.
- 2020Ghost in the Shell: SAC_2045Togusa (voice)24 ep.
- 2020Motto! Majime ni Fumajime Kaiketsu Zorori(voice)75 ep.
- 2020ListenersKevin Valentine (voice)12 ep.
- 2019Mistress[Voice - Juri's father]2 ep.
- 2019Demon Slayer: Kimetsu no YaibaZohakuten (voice)4 ep.
- 2019gen:LOCKKazu Iida (voice)16 ep.
- 2018Super Dragon Ball HeroesBeerus (voice)2 ep.
- 2018Layton Mystery Detective Agency: Kat's Mystery‑Solving FilesProfessor Hershel Layton (voice)50 ep.
- 2018Say You to Yo AsobiSelf - Guest1 ep.
- 2018Pop Team Epic(voice)1 ep.
- 2017The Dragon DentistYoyootto Godo (voice)2 ep.
- 2017Inspector ZenigataJozaburo Fuchigami9 ep.
- 2016彼岸島X3 ep.
- 2016Neko Neko NihonshiNarration (voice)160 ep.
- 2016Descending StoriesSukeroku Yuurakutei (voice)25 ep.
- 2015Angel HeartHolly9 ep.
- 2015Dragon Ball SuperBeerus (voice)131 ep.
- 2015Yuyake DandanKotobuki (voice)13 ep.
- 2015Murder on the Orient Express2 ep.
- 2014Japan Animator Expo(voice)36 ep.
- 2014Nobunaga ConcertoYasuke (voice)10 ep.
- 2014Insufficient DirectionDirector-kun (voice)13 ep.
- 2013Fighting Spirit: RisingGinpachi Nekota (voice)25 ep.
- 2013Star Blazers: Space Battleship Yamato 2199Aberdt Desler (voice)26 ep.
- 2012Sword Art OnlineAkihiko Kayaba (voice)28 ep.
- 2012Lupin the Third: The Woman Called Fujiko MineInspector Koichi Zenigata (voice)13 ep.
- 2011Hunter x HunterSilva (voice)5 ep.
- 2011Appleseed XIIIBriareos (voice)13 ep.
- 2011URAKARAOpening Narrator12 ep.
- 2009The Three MusketeersAthos (voice)40 ep.
- 2009Fullmetal Alchemist: BrotherhoodIsaac McDougal (voice)1 ep.
- 2008Stitch!Stitch63 ep.
- 2008Allison & LilliaCarr Benedict (voice)26 ep.
- 2008The Fantastic Deer-Manthe voice of the deer10 ep.
- 2008YattermanYatterwan / Narrator (voice)60 ep.
- 2007Sylvanian FamiliesKurumi Risu Otosan / Cedric Walnut (voice)3 ep.
- 2007Oh! Edo RocketGinjiro26 ep.
- 2006Intrigue in the Bakumatsu – IrohanihohetoSakamoto Ryōma26 ep.
- 2006Fist of the Blue SkyKenshiro Kasumi (voice)46 ep.
- 2006GintamaYoshida, Shouyou (voice)367 ep.
- 2005Xenosaga: The AnimationAlbedo Piazzolla / Gaignun Kukai (voice)12 ep.
- 2004BleachQuilge Opie (voice)4 ep.
- 2003Mermaid's ForestYuta(voice)11 ep.
- 2003Bakuryu Sentai AbarangerDensuke Hamasaki1 ep.
- 2002Space Pirate Captain Herlock: Outside Legend - The Endless OdysseyCaptain Herlock (voice)13 ep.
- 2002Ghost in the Shell: Stand Alone ComplexTogusa (voice)52 ep.
- 2001M-1 Grand Prix1 ep.
- 2001Kirby: Right Back at Ya!1 ep.
- 2000The Password is Courage11 ep.
- 2000The Tree In SunlightTezuka Ryoan25 ep.
- 2000Daa! Daa! Daa! UFO BabyYuzuhiko (voice)1 ep.
- 1999Reign: The ConquerorDarius III (voice)13 ep.
- 1999SaiyukiSha Gojyo (voice)2 ep.
- 1999Harlock Saga - The Ring of the NibelungsCaptain Harlock6 ep.
- 1998どっきりドクター錦小路 はるか27 ep.
- 1998Queen EmeraldasTochiro Oyama (voice)4 ep.
- 1998Cowboy BebopSpike Spiegel / Ein (voice)26 ep.
- 1997Photon: The Idiot AdventuresPapacharino Nanadan (voice)6 ep.
- 1997Night Warriors: Darkstalkers' RevengeLord Raptor4 ep.
- 1996Apocalypse ZeroKakugo Hagakure (voice)2 ep.
- 1996Shamanic PrincessKagetsu (voice)6 ep.
- 1996Special Duty Combat Unit ShinesmanShogo Yamadera (voice)2 ep.
- 1995Elf Princess Rane2 ep.
- 1995Neon Genesis EvangelionRyouji Kaji (voice)15 ep.
- 1995Ruin Explorers Fam & IhrieMigel (voice)4 ep.
- 1994Wild 7Happyaku2 ep.
- 1994Phantom Quest Corp.Kozo Karino (voice)4 ep.
- 1994An Adventure in the Otaku GalaxyOtoko2 ep.
- 1994Seven Cities Story: Arctic FrontAlmarick Aswaer (voice)2 ep.
- 1994Bakuen Campus GuardressChiryuu (voice)4 ep.
- 1993Super Dimension Century Orguss 02Mannings6 ep.
- 1993Mashin Hero Wataru: A Story At An Endless Time渡部黑间（WATARIBE KURAMA）3 ep.
- 1993Sonic Soldier Borgman 2: New Century 20583 ep.
- 1993Mask of ZeguyHijikata Toshizō (voice)2 ep.
- 1992Green Legend RanChimin (voice)3 ep.
- 1992Tokyo BabylonYamagawa (voice)1 ep.
- 1992Super Zugan21 ep.
- 1992OZNate Ordis / オーティス・ネイト (voice)2 ep.
- 1991Doomed MegalopolisNarutaki4 ep.
- 1991Detonator OrgunOrgun, Tomoru Shindo3 ep.
- 1991Ariel DeluxeDemonova2 ep.
- 1990The Hakkenden: Legend of the Dog WarriorsDousetsu Inuyama (voice)13 ep.
- 1990GoddamnGen Todoroki2 ep.
- 1990Nadia: The Secret of Blue WaterAyerton (voice)39 ep.
- 1990Samurai Pizza CatsKaramaru54 ep.
- 1989Assemble Insert部下参2 ep.
- 1989Bucchigiri4 ep.
- 1989Megazone 23 Part IIISion (voice)2 ep.
- 1989Gosenzo-sama Banbanzai!Bannai Tatara6 ep.
- 1989Ranma ½Ryoga Hibiki (voice)39 ep.
- 1989Madö King GranzörtShaman41 ep.
- 1989The Adventures of Peter PanCecco (voice)41 ep.
- 1988Guy Double TargetGuy (voice)2 ep.
- 1988Armor Hunter MerowlinkWolf1 ep.
- 1988Oishinbo1 ep.
- 1988Sonic Soldier BorgmanDust Jead35 ep.
- 1988The Burning Wild ManEkkusu Suparutan / Duck Nicholson (voice)26 ep.
- 1988FMatsuura (voice)31 ep.
- 1987ZillionGuardock A31 ep.
- 1987Bubblegum CrisisFargo (voice)8 ep.
- 1986Bosco AdventureOtter26 ep.
- 1971Lupin the 3rdInspector Kōichi Zenigata (voice)72 ep.
- 1971Kamen RiderZEZTZ Driver (voice)95 ep.
- —Go! AnpanmanCheese / Kamameshidon (voice)178 ep.
- —Go! Go! VehiclesGaonii (voice)1 ep.
Guest appearances
- 2026Love Unseen Beneath the Clear Night SkyKazuki Miura (voice)2 ep.
- 2026Kamen Rider ZEZTZZeztz Darkness Nightmare (voice)2 ep.
- 2026Punch-Drunk Woman3 ep.
- 2026JUJUTSU KAISENMiguel (voice)1 ep.
- 2024Ranma1/2Jusenkyo Guide (voice), Ryoga Hibiki (voice), Ryoga Hibiki / Jusenkyo Guide (voice)16 ep.
- 2025ANIME MANGA EXPLOSIONSelf - Voice Actor1 ep.
- 2025LazarusSkinner (voice)6 ep.
- 2025Mobile Suit Gundam GQuuuuuuXGihren Zabi (voice)1 ep.
- 2025MIRU: Paths to My FutureYoshimura (Voice)1 ep.
- 2023PLUTONorth No.2 (voice)2 ep.
- 2023Demon Slayer: Kimetsu no YaibaZohakuten (voice)4 ep.
- 2023My Home HeroShino (voice)1 ep.
- 2022Pop Team Epic(voice)1 ep.
- 2022BleachQuilge Opie (voice)4 ep.
- 2020MARS REDTokuichi Yamagami (voice)2 ep.
- 2018Sword Art OnlineAkihiko Kayaba (voice)3 ep.
- 2020Super Dragon Ball HeroesBeerus (voice)2 ep.
- 2019Mistress[Voice - Juri's father]2 ep.
- 2018Say You to Yo AsobiSelf - Guest1 ep.
- 2017彼岸島X3 ep.
- 2012Hunter x HunterSilva (voice)5 ep.
- 2009Fullmetal Alchemist: BrotherhoodIsaac McDougal (voice)1 ep.
- 2003Bakuryu Sentai AbarangerDensuke Hamasaki1 ep.
- 2002M-1 Grand Prix1 ep.
- 2002Kirby: Right Back at Ya!1 ep.
- 2001Daa! Daa! Daa! UFO BabyYuzuhiko (voice)1 ep.
- 1995Neon Genesis EvangelionRyouji Kaji (voice)15 ep.
- 1992Tokyo BabylonYamagawa (voice)1 ep.
- 1989Ranma ½Guide (voice), Master (voice), Ryoga Hibiki (voice)39 ep.
- 1988Armor Hunter MerowlinkWolf1 ep.
- 1988Oishinbo1 ep.
Also known as: Kohichi Yamadera · 山寺 宏一 · やまでら こういち · バズーカ山寺 · Bazooka Yamadera · Yama-chan · 山ちゃん · 야마데라 코우이치 · Kouichi Yamadera · Kôichi Yamadera · کوئیچی یامادرا