Kappei Yamaguchi
Acting
Biography
Mitsuo Yamaguchi (山口 光雄, Yamaguchi Mitsuo), better known by his stage name of Kappei Yamaguchi (山口 勝平, Yamaguchi Kappei) is a Japanese voice actor and actor from Fukuoka, affiliated with Gokū and 21st Century Fox. He is best known for the roles of Ranma Saotome (Ranma ½), Jackson Neil (Miracle Girls), Tombo (Kiki's Delivery Service), Yattaro (Kyattou Ninden Teyandee), InuYasha (InuYasha), Ryuichi Sakuma (Gravitation), L (Death Note), Usopp (One Piece), Hideyoshi (Law of Ueki), and Kaito Kid and Shinichi Kudo (Case Closed). His current starring roles include that of Raimon "Monta" Taro, the Deimon Devil Bats' ace receiver in Eyeshield 21.
Yamaguchi has appeared in eroge as Kyōya Ushihisa (牛久 京也, Ushihisa Kyōya). He made his first public appearance in North America at Otakon 2008; and was also a guest at Sakura-Con 2009. Yamaguchi's third appearance to date has been at Animazement in 2010.
He is married and has a daughter, Akane Yamaguchi (山口 茜), and a son, Ryunosuke Yamaguchi (山口 竜之介), who also are voice actors.
Description above from the Wikipedia article Kappei Yamaguchi, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Notable Works
Prominent titles featuring Kappei Yamaguchi
Filmography
Acting (212)
2026
名探偵コナン 30号殺人事件as Shinichi Kudo (voice)
2026
Assassination Classroom the Movie: Our Timeas Futoshi (voice)
7.2
2026
Gintama the Movie 2026: Yoshiwara in Flamesas Inorin (voice)
9.0
2025
Detective Conan: The 17-Year-Old Truthas Shinichi Kudo (voice)
2025
Alice in Wonderland –Dive in Wonderland–as The White Rabit (voice)
7.7
2025
Detective Conan: One-Eyed Flashbackas Shinichi Kudo (voice)
7.2
2024
One Piece Fan Letteras Usopp
9.0
2024
Detective Conan: The Million-Dollar Pentagramas Kaito Kid / Shinichi Kudou (voice)
6.9
2024
Detective Conan vs. Kid the Phantom Thiefas Kaito Kuroba / Kaito Kid (voice)
6.4
2023
Detective Conan: Black Iron Submarineas Shinichi Kudou (voice)
7.0
2023
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Trainas Kaito Kuroba (voice)
6.7
2022
One Piece Film Redas Usopp (voice)
7.2
2022
Detective Conan: The Bride of Halloweenas Shinichi Kudo (voice)
6.4
2022
ODDTAXI in the Woodsas Eiji Kakihana (voice)
6.3
2021
One Piece - En route vers l'épisode 1000as Comédien de doublage de Usopp – Japon
7.3
2021
Detective Conan: The Scarlet Bulletas Shinichi Kudo (voice)
6.5
2019
Detective Conan: The Scarlet School Tripas Shinichi Kudo (voice)
6.3
2019
Super Sentai Strongest Battle Director's Cutas ToQger Arsenal (voice)
9.0
2019
Case Closed: The Fist of Blue Sapphireas Shinichi Kudo / Kaito Kuroba (voice)
6.2
2019
One Piece: Stampedeas Usopp (voice)
7.8
2018
Planetarium HANAKAPPA: Bloom! Pop! Space Travelas Garizo (voice)
2018
One Piece: Episode of Skypieaas Usopp (voice)
7.1
2018
Peacemaker Kurogane: Beliefas Shinpachi Nagakura (voice)
6.1
2018
Case Closed: Zero the Enforceras Shinichi Kudo / Kaito Kid (voice)
6.2
2018
5.0
2017
Mazinger Z: Infinityas Mucha (voice)
7.0
2017
One Piece Episode of East Blueas Usopp (voice)
7.7
2017
Case Closed: The Crimson Love Letteras Shinichi Kudo (voice)
6.5
2017
Okaeri: Furusato no Karatsuas Sora Hiroi (voice)
2017
6.0
2017
Detective Conan: Episode One - The Great Detective Turned Smallas Shinichi Kudo (voice)
7.5
2016
One Piece: The Great Treasure of Tongari Islandas Usopp (voice)
7.0
2016
One Piece Film: GOLDas Usopp (voice)
7.2
2016
One Piece: Heart of Goldas Usopp (voice)
7.4
2016
One Piece Film Gold: Episode 0as Usopp (voice)
6.7
2016
Detective Conan: The Darkest Nightmareas Shinichi Kudo (voice)
6.8
2016
Shuriken Sentai Ninninger vs. ToQger the Movie: Ninjas in Wonderlandas Ticket (voice), ToQger Equipment Voice
7.0
2015
One Piece: Adventure of Nebulandiaas Usopp (voice)
7.7
2015
7.0
2015
The Boy and the Beastas Teenage Jiromaru (voice)
7.9
2015
Ressha Sentai ToQger Final Live Tour 2015as Ticket / ToQger Equipment Voice (voice)
7.0
2015
Ressha Sentai ToQger Returns: Super ToQ #7 of Dreamsas Ticket (voice)
7.5
2015
The Adventures of Tyrano Boyas Zesta (voice)
6.6
2015
Detective Conan: Sunflowers of Infernoas Shinichi Kudo / Kaitou Kid (voice)
6.1
2015
Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in Historyas Shinichi Kudo (voice)
7.0
2015
Ressha Sentai ToQger vs. Kyoryuger: The Movieas Ticket (voice)
6.9
2014
Tomcat's Big Adventureas Michael (voice)
8.0
2014
2014
7.1
2014
Ressha Sentai ToQger The Movie: Galaxy Line S.O.S.as Ticket / ToQger Equipment / Narrator (voice)
7.0
2014
Detective Conan: Dimensional Sniperas Shinichi Kudo (voice)
6.8
2014
Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Specialas Ticket / ToQger Equipment (voice)
7.3
2014
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentaias ToQger Equipment Voice
6.4
2014
Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur Waras ToQger equipment (voice)
6.8
2013
Lupin the Third vs. Detective Conan: The Movieas Shinichi Kudo / Kaito Kuroba (voice)
6.9
2013
One Piece Episode of Merry: The Tale of One More Friendas Usopp (voice)
7.1
2013
Detective Conan: Private Eye in the Distant Seaas Shinichi Kudo (voice)
6.6
2013
HANAKAPPA: Adventure in the Butterfly Kingdomas Garizo (voice)
2013
That's HANAKAPPA Musical: Bread or Rice, Which Is It!?as Garizo (voice)
2013
7.3
2013
Hunter x Hunter: Phantom Rougeas Feitan (voice)
7.1
2013
2012
One Piece: Glorious Islandas Usopp (voice)
6.4
2012
One Piece: Episode of Luffy - Hand Island Adventureas Usopp (voice)
6.7
2012
One Piece Film: Zas Usopp (voice)
7.5
2012
7.2
2012
TIGER & BUNNY: The Beginningas Robin Baxter (voice)
6.4
2012
7.0
2012
VISUALIVE Persona 4as Kuma (voice)
2012
Persona4 the ANIMATION -The Factor of Hopeas Kuma (voice)
8.3
2012
Detective Conan: The Eleventh Strikeras Shinichi Kudo (voice)
6.8
6.3
2011
One Piece 3D: Gekisou! Trap Coasteras Usopp (voice)
6.8
2011
One Piece Episode of Alabasta Prologueas Usopp (voice)
7.4
2011
Detective Conan: Quarter of Silenceas Shinichi Kudo (voice)
7.1
2011
One Piece Mugiwara Chaseas Usopp (voice)
6.7
2011
7.3
2011
Serena x One Piece: Sennyuu!! Sauzando Sunny-gouas Usopp (voice)
10.0
2010
Coicentas White Deer (voice)
6.0
2010
Atashin'chi: The 3D Movieas Fujino (voice)
7.7
2010
Heart and Yummieas Heart (voice)
8.1
2010
Detective Conan: The Lost Ship in the Skyas Shinichi Kudo / Kaito Kid (voice)
7.1
2010
5.7
2010
One Piece Film: Strong Worldas Usopp (voice)
7.5
2010
Yu-Gi-Oh! Bonds Beyond Timeas Daitokuji (voice)
6.6
2009
Yona Yona Penguinas Mulmul (voice)
5.3
2009
Space Battleship Yamato Resurrectionas Ryohei Nakanishi (voice)
6.0
2009
Death Note Relight 2: L's Successorsas L (voice)
7.4
2009
Detective Conan: The Raven Chaseras Shinichi Kudo (voice)
7.3
2009
Lupin the Third vs. Detective Conanas Shinichi Kudo (voice)
6.9
2009
6.7
2008
One Piece: Romance Dawn Storyas Usopp (voice)
6.2
2008
Ranma ½: Nightmare! Incense of Spring Sleepas Ranma Saotome ♂ (voice)
7.0
2008
It's a Rumic World: 50th Anniversary Weekly★Shonen Sundayas Inuyasha / Ranma Saotome ♂ (voice)
7.3
2008
Detective Conan: Full Score of Fearas Shinichi Kudo (voice)
6.9
2008
7.0
2007
Mouse Story: The Adventures of George and Geraldas Chamberlain
4.7
2007
Pokémon Mystery Dungeon: Explorers of Time & Darknessas Chimchar (voice)
5.7
2007
Death Note Relight 1: Visions of a Godas L (voice)
7.9
2007
Detective Conan: Jolly Roger in the Deep Azureas Shin'ichi Kudo (voice)
6.5
5.0
2007
One Piece: The Desert Princess and the Pirates: Adventure in Alabastaas Usopp / Lashes (voice)
6.9
2006
Animal Crossing: The Movieas Fûta (voice)
6.8
2006
6.6
2006
Futari wa Precure Splash☆Star: Maji Doki Theateras Flappy (voice)
7.0
2006
Detective Conan: The Private Eyes' Requiemas Shinichi Kudo (voice) / Kaito Kuroba (voice)
7.1
2006
One Piece: Giant Mecha Soldier of Karakuri Castleas Usopp (voice)
6.9
2005
ワンピース特別編 わかりやすいルフィ大百科as 乌索普
2005
7.0
2005
Detective Conan: Strategy Above the Depthsas Shinichi Kudou (voice)
6.9
2005
One Piece: Baron Omatsuri and the Secret Islandas Usopp (voice)
7.2
2004
Inuyasha the Movie 4: Fire on the Mystic Islandas Inuyasha (voice)
7.6
2004
Netrun-mon the Movieas BB Runner
6.0
2004
Detective Conan: Magician of the Silver Skyas Kaito Kid / Shinichi Kudou (voice)
7.0
2004
One Piece: Curse of the Sacred Swordas Usopp (voice)
6.8
2004
Dead Leavesas Retro (voice)
7.0
2003
Inuyasha the Movie 3: Swords of an Honorable Ruleras Inuyasha (voice)
7.7
2003
One Piece Special: Protect! The Last Great Stageas Usopp (voice)
7.3
2003
Guitar wo Motta Shounen: Kikaider VS Inazumanas Saburo Kazeta/Inazuman
7.5
2003
Detective Conan: Crossroad in the Ancient Capitalas Shinichi Kudo (voice)
7.1
2003
6.5
2003
One Piece: Dead End Adventureas Usopp (voice)
7.0
2002
Inuyasha the Movie 2: The Castle Beyond the Looking Glassas Inuyasha (voice)
7.7
2002
Bonobono: Secret of the Kumomo Treeas Araiguma-kun
4.5
2002
Camp Pikachuas Barubeat (voice)
5.9
2002
One Piece: The Adventure in Grand Lineas Usopp (voice)
2002
Detective Conan: The Phantom of Baker Streetas Shinichi Kudo (voice)
7.8
2002
La Blue Girl: Climax Taizenas Nin-Nin
6.5
2002
A Tree of Palmeas Roualt (voice)
7.0
2002
One Piece: Dream Soccer King!as Usopp (voice)
6.6
2002
One Piece: Chopper's Kingdom on the Island of Strange Animalsas Usopp (voice)
6.7
2001
Inuyasha the Movie: Affections Touching Across Timeas Inuyasha (voice)
7.5
2001
Case Closed: Countdown to Heavenas Shinichi Kudo (voice)
7.4
2001
One Piece: Clockwork Island Adventureas Usopp (voice)
6.9
2001
One Piece: Jango's Dance Carnivalas Usopp (voice)
7.0
2000
Pichu & Pikachu's Winter Vacation 2001as Delibird (voice)
6.8
2000
6.0
2000
Escaflowne: The Movieas Shesta (voice)
6.6
2000
Detective Conan: Captured in Her Eyesas Shinichi Kudo (voice)
7.4
2000
One Piece: The Movieas Usopp (voice)
7.1
2000
Baby Felix & Friendsas Poindexter
4.0
1999
6.8
1999
Pokémon: Pikachu's Rescue Adventureas Parasect (voice)
6.3
1999
Detective Conan: The Last Wizard of the Centuryas Shinichi Kudo / Kaito Kuroba (voice)
7.3
1998
4.0
1998
Dragon Knight: Wheel of Timeas Kakeru
5.3
1998
Welcome to Lodoss Island!as Etoh (voice)
1998
Virgin Fleetas Sada
8.0
1998
Case Closed: The Fourteenth Targetas Shinichi Kudo (voice)
7.2
1997
Samurai X: The Motion Pictureas Yasuharu Musashino
7.2
1997
Noiseman Sound Insectas Manabu (voice)
6.8
1997
Conan vs. Kaito Kidas Kaito Kid
1997
Detective Conan: The Time Bombed Skyscraperas Shinichi Kudo (voice)
7.4
1997
Eternal Familyas Sasuke (voice)
7.0
1997
4.2
1996
Kindaichi Case Files : The Opera House Murdersas Hajime Kindaichi (Voice)
6.6
1996
Bronze: Zetsuai Since 1989as Shibuya (voice)
4.6
1996
Ultraman Super Fighter Legendas Astra / Announcer Banjou (voice)
1996
Shadow Skill: The Movieas Scrib Lowengren
6.3
5.3
1996
Neighborhood Story The Movieas Tsutomu Yamaguchi (voice)
5.5
1995
Shadow Skill: Epilogueas Scrib Lowengren (voice)
5.0
1994
2.5
1994
Grappler Baki: The Ultimate Fighteras Baki Hanma
6.7
1994
Ranma 1/2: Team Ranma vs. the Legendary Phoenixas Ranma Saotome ♂ (voice)
7.7
1994
The Mighty Gin Reias Daisaku Kusama (voice)
10.0
1994
Bondage Queen Kateas Dick (voice)
7.0
1994
Butt Attack Punisher Girl Gautaman: The Birth of Gautamanas Shibuya (voice)
3.8
1994
Plastic Little: The Adventures of Captain Titaas Nicole (voice)
5.7
1994
Tokyo Babylon 2as Subaru Sumeragi
1994
Barefoot Gin Reias Daisaku Kusama (voice)
7.0
1994
3.3
1993
Blue Memories: Boys, Colonizing Manchuria and Mongoliaas Kyota Suzuki (voice)
4.0
1993
Battle Angelas Yūgo (voice)
6.8
1992
Chibi Maruko-chan: My Favorite Songas Kenichi Oono (voice)
7.6
1992
Appleland Storyas Virgil
3.0
1992
Tokyo Babylon 1as Subaru Sumeragi
1992
Hanappe Bazookaas Hanahei Yamada (voice)
6.1
1992
Delinquent in Dragas Suke Banji (voice)
5.6
1992
Ranma 1/2 the Movie 2: Nihao My Concubineas Ranma Saotome ♂ (voice)
8.0
1992
Desperate Love 1989as Katsumi Shibuya (voice)
4.6
1992
Giant Robo: The Day the Earth Stood Stillas Daisaku Kusama
6.7
1992
7.0
1992
Boyfriendas Ougi (voice)
1992
Tottoias Billia (voice)
6.1
1991
Inferious Interplanetary War Chronicle - Condition Greenas Oscar Cloud (voice)
1991
Ranma 1/2 the Movie: Big Trouble in Nekonron, Chinaas Ranma Saotome ♂ (voice)
7.3
5.8
1991
Urotsukidōji II: Legend of the Demon Wombas Young Munchausen II (voice)
5.8
1991
Trusty Ginjiroas Ginjiro Yamazaki (voice)
4.0
1991
Madaraas (voice)
6.5
1991
4.0
1990
A Wind Named Amnesiaas Johnny (voice)
5.9
1990
Violence Jack: Hell's Windas Saburo Tenma
5.3
1990
Chibi Maruko-chanas Kenichi Oono (voice)
7.0
9.0
1990
Nineteen 19as Hiroaki Kusano (voice)
8.5
1990
Ryokunohara Labyrinth - Sparkling Phantomas Kanata Tokino
3.5
1989
Kiki's Delivery Serviceas Tombo (voice)
7.8