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Personal Info

Gender

Male

Birthday

1965-05-23 (59 years old)

Place of Birth

Fukuoka, Fukuoka Prefecture, Japan

Kappei Yamaguchi

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.

Known For

Acting

2025

2024

Case Closed: The Million-Dollar Pentagram as Kaito Kid / Shinichi Kudou (voice)
Detective Conan vs. Kid the Phantom Thief as Kaito Kuroba / Kaito Kid (voice)
BUCCHIGIRI?! as Komao (voice)
Ranma1/2 as Ranma Saotome (voice)
Mecha-Ude: Mechanical Arms as Yakumo (voice)
Bakuage Sentai Boonboomger as Ticket (voice)
Train to the End of the World as Shizuru's father (voice)

2023

Detective Conan: Black Iron Submarine as Shinichi Kudou (voice)

2022

One Piece Film Red as Usopp (voice)
Urusei Yatsura as Saizo (voice)
Urusei Yatsura as Tsuyuo (voice)
Urusei Yatsura as B-Bo (voice)

2021

One Piece - En route vers l'épisode 1000 as Comédien de doublage de Usopp – Japon
Detective Conan: The Scarlet Bullet as Shinichi Kudo (voice)
ODDTAXI as Eiji Kakihana (voice)
Space Academy as Jii-chan (voice)

2020

Jujutsu Kaisen as Kechizu (voice)
Yashahime: Princess Half-Demon as Inuyasha (voice)
The Gymnastics Samurai as Bigbird Aragaki (voice)

2019

Case Closed: The Fist of Blue Sapphire as Shinichi Kudo / Kaito Kuroba (voice)
One Piece: Stampede as Usopp (voice)
Vinland Saga as Jabbathe (voice)

2018

Case Closed: Zero the Enforcer as Shinichi Kudo / Kaito Kid (voice)
Peacemaker Kurogane: Belief as Shinpachi Nagakura (voice)
GeGeGe no Kitaro as Ittan Momen
RADIANT as Master Lord Majesty (voice)
Pop Team Epic as Popuko (voice)

2017

Okaeri: Furusato no Karatsu as Sora Hiroi (voice)
Case Closed: The Crimson Love Letter as Shinichi Kudo (voice)
Mazinger Z: Infinity as Mucha (voice)
The Ancient Magus' Bride as Oberon (voice)

2016

One Piece Film: GOLD as Usopp (voice)
One Piece: Heart of Gold as Usopp (voice)
Doubutsu Sentai Zyuohger as Illusion (voice)
Showa Genroku Rakugo Shinju as Amaken (voice)

2015

Ressha Sentai ToQger Final Live Tour 2015 as Ticket / ToQger Equipment Voice (voice)
Detective Conan: Sunflowers of Inferno as Shinichi Kudo / Kaitou Kid (voice)
The Boy and the Beast as Teenage Jiromaru (voice)
Rin-ne as Sabato Rokudou

2014

Detective Conan: Dimensional Sniper as Shinichi Kudo (voice)
Ressha Sentai ToQger The Movie: Galaxy Line S.O.S. as Ticket / ToQger Equipment / Narrator (voice)
Tomcat's Big Adventure as Michael (voice)
Ressha Sentai ToQger as Ticket (voice)
Magic Kaito 1412 as Kaito Kuroba / Shinichi Kudo (voice)
Gigant Big-Shot Tsukasa as Tsukasa Mendō (voice)
In Search of the Lost Future as Osafune Kenny Eitarou

2013

Lupin the Third vs. Detective Conan: The Movie as Shinichi Kudo / Kaito Kuroba (voice)
Danganronpa: The Animation as Hifumi Yamada (voice)

2012

TIGER & BUNNY: The Beginning as Robin Baxter (voice)
Detective Conan: The Eleventh Striker as Shinichi Kudo (voice)
One Piece Film: Z as Usopp (voice)
JoJo's Bizarre Adventure as Shigechi (voice)
Hikonin Sentai Akibaranger as Chief Clerk Blu-Ray (voice)
Hikonin Sentai Akibaranger as Chief Editor HVD (voice)

2011

Detective Conan: Quarter of Silence as Shinichi Kudo (voice)
Majikoi - Oh! Samurai Girls as Ikuro Fukumoto (voice)
Persona4 the ANIMATION as Teddie (voice)
Hunter x Hunter as Feitan (voice)

2010

Heart and Yummie as Heart (voice)
Detective Conan OVA 10: Kid in Trap Island as Kaito Kid / Kaito Kuroba
Yu-Gi-Oh!: Bonds Beyond Time as Daitokuji (voice)
Atashin'chi: The 3D Movie as Fujino (voice)
Detective Conan: The Lost Ship in the Sky as Shinichi Kudo / Kaito Kid (voice)
Coicent as White Deer (voice)
Tensou Sentai Goseiger as Ain-I of the Neutral (voice)
Magic Kaito: Kid the Phantom Thief as Kaito Kuroba / Kaito Kid (voice)

2009

Detective Conan: The Raven Chaser as Shinichi Kudo (voice)
Lupin the Third vs. Detective Conan as Shinichi Kudo (voice)
Yona Yona Penguin as Mulmul (voice)

2008

Detective Conan: Full Score of Fear as Shinichi Kudo (voice)
It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday as Inuyasha / Ranma Saotome ♂ (voice)
Stitch! as Kijimuna
One Outs as Satoshi Ideguchi (voice)

2007

One Piece: Ice Hunter as Ussop (voice)
Baccano! as Chic Jefferson (voice)
Claymore as Male 'Awakened' 3 (voice)

2006

Detective Conan: The Private Eyes' Requiem as Shinichi Kudo (voice) / Kaito Kuroba (voice)
Ayakashi: Samurai Horror Tales as Kaikaimaru (voice)
Kiba as Hugh (voice)
PreCure Splash Star as Flappy (voice)
Death Note as L (voice)
Angel's Feather as Hamura Shou (voice)

2005

The Law of Ueki as Hideyoshi Soya (voice)
Eyeshield 21 as Raimon Tarou

2004

Dead Leaves as Retro (voice)
Detective Conan: Magician of the Silver Sky as Kaito Kid / Shinichi Kudou (voice)
Yu-Gi-Oh! GX as Professor Daitokuji / Lyman Banner (voice)
DearS as (voice)
Doki Doki School Hours as Kenta Suetake
Tokusou Sentai Dekaranger as Thousanian Gineka (voice)
Sgt. Frog as Tororo

2003

Pretty Guardian Sailor Moon as Artemis (voice)
Pecola as Bashatt
Papuwa as Chappy
Papuwa as Dr. Gunma
Peacemaker as Shinpachi Nagakura (voice)
Mouse as Sorata Muon (voice)

2002

A Tree of Palme as Roualt (voice)
Camp Pikachu as Barubeat (voice)
My Family as Fujino (voice)
Hanada Shounen-shi as Haruhiko (voice)
Rizelmine as Tomonori Iwaki
The Twelve Kingdoms as Rokuta (voice)
Monkey Typhoon as Goku (voice)
Viper GTS as Ogawa (voice)
Viper GTS as Ogawa

2001

Case Closed: Countdown to Heaven as Shinichi Kudo (voice)

2000

Detective Conan: Captured in Her Eyes as Shinichi Kudo (voice)
Escaflowne: The Movie as Shesta (voice)
One Piece: The Movie as Usopp (voice)
Baby Felix & Friends as Poindexter
Android Kikaider as Saburo Kazeda (voice)
Gravitation as Ryuichi Sakuma (voice)
InuYasha as InuYasha (voice)

1999

Detective Conan: The Last Wizard of the Century as Shinichi Kudo / Kaito Kuroba (voice)
Betterman as Keita Aono (voice)
One Piece as Usopp (voice)
Eden's Bowy as Jorrne
Kamikaze Kaitou Jeanne as Noin Claude

1998

Case Closed: The Fourteenth Target as Shinichi Kudo (voice)
Virgin Fleet as Sada
Flint: The Time Detective as Kyoichiro Narugami
Fancy Lala as Taro Yoshida
Cyber Team in Akihabara as Crane Bahnsteik (voice)
Cowboy Bebop as Rhint (voice)
Shadow Skill as Low (voice)

1997

Noiseman Sound Insect as Manabu (voice)
Eternal Family as Sasuke (voice)
Revolutionary Girl Utena as Shiori's boyfriend (voice)
Ayane's High Kick as Kappei Inagaki (voice)

1996

Neighborhood Story The Movie as Tsutomu Yamaguchi (voice)
Shadow Skill: The Movie as Scrib Lowengren
Bronze: Zetsuai Since 1989 as Shibuya (voice)
Ultraman Super Fighter Legend as Astra / Announcer Banjou (voice)
Yat, The Space Patrol as カナビー
Jewel BEM Hunter Lime as バース (voice)
Can Can Bunny Extra as Kenta (voice)
B'T X as Camilla (voice)
Case Closed as Jimmy Kudo
Lady Blue as Nin-Nin (voice)
Case Closed as Shinichi Kudo (voice)
Fire Emblem as Julian (voice)

1995

Shadow Skill: Epilogue as Scrib Lowengren (voice)
Neighborhood Story as Tsutomu Yamaguchi (Voice)
Wedding Peach as Takuro Amano
Zenki as Zenki (voice)

1994

Barefoot Gin Rei as Daisaku Kusama (voice)
Ranma ½: One Flew Over the Kuno's Nest as Ranma Saotome ♂ (voice)
The Mighty Gin Rei as Daisaku Kusama (voice)
Bondage Queen Kate as Dick (voice)
Red Baron as Ken Kurenai
Red Baron as Fake Ken
Mobile Fighter G Gundam as Sai Saici (voice)
Mighty Space Miners as Ushiwaka Nanbu (voice)
Captain Tsubasa J as Ryou Ishizaki (voice)

1993

Battle Angel as Yūgo (voice)
Please Save My Earth as Hirohiko Kazama (voice)
The Cockpit as Soldier Utsunomiya (voice)
Shippuu! Iron Leaguer as Kiwami Juurouta
Miracle Girls as Yuuya Noda
Battle Angel as Yugo (voice)
Please Save My Earth as Hirohiko Kazama (voice)

1992

Appleland Story as Virgil
Tottoi as Billia (voice)
Desperate Love 1989 as Katsumi Shibuya (voice)
Chibi Maruko-chan: My Favorite Song as Kenichi Oono (voice)
Boyfriend as Ougi (voice)
Ranma ½: Nihao My Concubine as Ranma Saotome ♂ (voice)
Delinquent in Drag as Suke Banji
Hanappe Bazooka as Hanappe Yamada (voice)
La Blue Girl as Nin-Nin (voice)
KO Century Beast Warriors as Wan Dababatta
Tokyo Babylon as Subaru Sumeragi (voice)
Zetsuai 1989 as Katsumi Shibuya (voice)

1991

Madara as (voice)
Urotsukidōji II: Legend of the Demon Womb as Young Munchausen II (voice)
Ranma ½: Big Trouble in Nekonron, China as Ranma Saotome ♂ (voice)
RG Veda as Ryū-ō (voice)
Here Is Greenwood as Tenma Koizumi (voice)
Genji Tsuushin Agedama as Hikari Yumenokōji (voice)
Madara as Madara (voice)
Slow Step as Akiba Shuu

1990

A Wind Named Amnesia as Johnny (voice)
1+2=Paradise as Yūsuke Yamamoto (voice)
Chibi Maruko-chan as Kenichi Oono (voice)
Nineteen 19 as Hiroaki Kusano (voice)
Samurai Pizza Cats as Yattarou
Devil Hunter Yohko as Wakabayashi Osamu (voice)
Hakkenden: Legend of the Dog Warriors as Sosuke Inukawa (voice)
Record of Lodoss War as Etoh (voice)
1+2=Paradise as Yūsuke Yamamoto

1989

Kiki's Delivery Service as Tombo (voice)
Ranma ½ as Ranma Saotome
Ranma ½ as Ranma Saotome ♂ (voice)

1986

-

GinRei Special OVA as Daisaku Kusama

Sound

1996

Case Closed as Sound