Kappei Yamaguchi
Known for Acting · 360 credits
- Born
- 1965-05-23 (age 61)
- Place of birth
- Fukuoka, Fukuoka, Japan
- Also known as
- Mitsuo Yamaguchi · Kinoshita Toukichirou · Ushiku Kyouya · Yamaguchi Kappei · Yamaguchi Mitsuo · 木下 桃吉郎
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
TV Shows (158)
JUJUTSU KAISEN
2020
as Kechizu (voice)
JoJo's Bizarre Adventure
2012
as Shigechi (voice) / Yo-Yo Ma
Hunter x Hunter
2011
as Feitan (voice)
Ranma ½
1989
as Ranma Saotome ♂ (voice)
One Piece
1999
as Usopp (voice)
The Ancient Magus' Bride
2017
as Oberon (voice)
Detective Conan
1996
as Shinichi Kudo (voice)
Atashin'chi
2002
as Fujino (voice)
Death Note
2006
as L (voice)
Urusei Yatsura
2022
as Saizo (voice) / Tsuyuo (voice) / B-Bo (voice)
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
2020
as Shin (voice)
Yashahime: Princess Half-Demon
2020
as Inuyasha (voice)
InuYasha
2000
as InuYasha (voice)
Cowboy Bebop
1998
as Rhint (voice)
Ranma1/2
2024
as Ranma Saotome (voice)
Revolutionary Girl Utena
1997
as Shiori's boyfriend (voice)
Nadia: The Secret of Blue Water
1990
as Hamahama (voice)
Claymore
2007
as Male 'Awakened' 3 (voice)
Eyeshield 21
2005
as Raimon Tarou
Hakkenden: Legend of the Dog Warriors
1990
as Sosuke Inukawa (voice)
Sgt. Frog
2004
as Tororo
Super Dragon Ball Heroes
2018
as Fu (voice)
Vinland Saga
2019
as Jabbathe (voice)
Yu-Gi-Oh! GX
2004
as Professor Daitokuji / Lyman Banner (voice)
The Gymnastics Samurai
2020
as Bigbird Aragaki (voice)
Danganronpa: The Animation
2013
as Hifumi Yamada (voice)
Bakuage Sentai Boonboomger
2024
as Ticket (voice)
Powerpuff Girls Z
2006
Mobile Fighter G Gundam
1994
as Sai Saici (voice)
Zenki
1995
as Zenki (voice)
Showa Genroku Rakugo Shinju
2016
as Amaken (voice)
Kiba
2006
as Hugh (voice)
Baccano!
2007
as Chic Jefferson (voice)
The Twelve Kingdoms
2002
as Rokuta (voice)
Tokusou Sentai Dekaranger
2004
as Thousanian Gineka (voice)
The Law of Ueki
2005
as Hideyoshi Soya (voice)
Wedding Peach
1995
as Takuro Amano
RADIANT
2018
as Master Lord Majesty (voice)
Doubutsu Sentai Zyuohger
2016
as Illusion (voice)
Peacemaker Kurogane
2003
as Shinpachi Nagakura (voice)
Ressha Sentai ToQger
2014
as Ticket (voice)
GeGeGe no Kitaro
2018
as Ittan Momen
Miss Shachiku and the Little Baby Ghost
2022
as "Cute" Voiceover of the Week (voice)
ODDTAXI
2021
as Eiji Kakihana (voice)
Train to the End of the World
2024
as Shizuru's father (voice)
Magic Kaito 1412
2014
as Kaito Kuroba / Shinichi Kudo (voice)
Tensou Sentai Goseiger
2010
as Ain-I of the Neutral (voice)
Lil' Red Riding Hood Cha-Cha
1994
The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
2021
as Oberon (voice)
Rin-ne
2015
as Sabato Rokudou
Samurai Pizza Cats
1990
as Yattarou
Android Kikaider
2000
as Saburo Kazeda (voice)
Gravitation
2000
as Ryuichi Sakuma (voice)
Majikoi - Oh! Samurai Girls
2011
as Ikuro Fukumoto (voice)
Kamikaze Kaitou Jeanne
1999
as Noin Claude
Hikonin Sentai Akibaranger
2012
as Chief Clerk Blu-Ray (voice) / Chief Editor HVD (voice)
PreCure Splash Star
2006
as Flappy (voice)
Genji Tsuushin Agedama
1991
as Hikari Yumenokōji (voice)
Ayakashi: Samurai Horror Tales
2006
as Kaikaimaru (voice)
PERSONA 4 the Animation
2011
as Teddie (voice)
Movies (202)
Kiki's Delivery Service
1989
as Tombo (voice)
Detective Conan: The Phantom of Baker Street
2002
as Shinichi Kudo (voice)
Detective Conan: Black Iron Submarine
2023
as Shinichi Kudou (voice)
Detective Conan: One-Eyed Flashback
2025
as Shinichi Kudo (voice)
Detective Conan: Quarter of Silence
2011
as Shinichi Kudo (voice)
One Piece Film Red
2022
as Usopp (voice)
Detective Conan: Crossroad in the Ancient Capital
2003
as Shinichi Kudo (voice)
Detective Conan: The Million-Dollar Pentagram
2024
as Kaito Kid / Shinichi Kudou (voice)
Detective Conan: Full Score of Fear
2008
as Shinichi Kudo (voice)
Detective Conan: Captured in Her Eyes
2000
as Shinichi Kudo (voice)
Detective Conan: The Private Eyes' Requiem
2006
as Shinichi Kudo (voice) / Kaito Kuroba (voice)
Detective Conan: The Scarlet Bullet
2021
as Shinichi Kudo (voice)
Case Closed: The Fourteenth Target
1998
as Shinichi Kudo (voice)
Detective Conan: The Lost Ship in the Sky
2010
as Shinichi Kudo / Kaito Kid (voice)
Detective Conan: The Last Wizard of the Century
1999
as Shinichi Kudo / Kaito Kuroba (voice)
Detective Conan: Private Eye in the Distant Sea
2013
as Shinichi Kudo (voice)
Death Note Relight 1: Visions of a God
2007
as L (voice)
One Piece Film: GOLD
2016
as Usopp (voice)
Lupin the Third vs. Detective Conan: The Movie
2013
as Shinichi Kudo / Kaito Kuroba (voice)
Detective Conan: Magician of the Silver Sky
2004
as Kaito Kid / Shinichi Kudou (voice)
Detective Conan: Strategy Above the Depths
2005
as Shinichi Kudou (voice)
Detective Conan: Dimensional Sniper
2014
as Shinichi Kudo (voice)
Detective Conan: The Time Bombed Skyscraper
1997
as Shinichi Kudo (voice)
One Piece: Clockwork Island Adventure
2001
as Usopp (voice)
One Piece: Giant Mecha Soldier of Karakuri Castle
2006
as Usopp (voice)
One Piece: Baron Omatsuri and the Secret Island
2005
as Usopp (voice)
Detective Conan: The Eleventh Striker
2012
as Shinichi Kudo (voice)
Assassination Classroom the Movie: Our Time
2026
as Futoshi (voice)
Mazinger Z: Infinity
2017
as Mucha (voice)
One Piece: The Movie
2000
as Usopp (voice)
Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!!
2013
as Usopp (voice)
Case Closed: The Crimson Love Letter
2017
as Shinichi Kudo (voice)
One Piece Film: Z
2012
as Usopp (voice)
Gintama: Yoshiwara in Flames
2026
as Inorin (voice)
One Piece Film: Strong World
2009
as Usopp (voice)
Hunter x Hunter: Phantom Rouge
2013
as Feitan (voice)
Detective Conan: The Raven Chaser
2009
as Shinichi Kudo (voice)
The Boy and the Beast
2015
as Teenage Jiromaru (voice)
Detective Conan: The Darkest Nightmare
2016
as Shinichi Kudo (voice)
Detective Conan: Sunflowers of Inferno
2015
as Shinichi Kudo / Kaitou Kid (voice)
One Piece: The Desert Princess and the Pirates: Adventure in Alabasta
2007
as Usopp / Lashes (voice)
Detective Conan: Jolly Roger in the Deep Azure
2007
as Shin'ichi Kudo (voice)
Case Closed: Countdown to Heaven
2001
as Shinichi Kudo (voice)
Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
2015
as Shinichi Kudo (voice)
One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends
2014
as Usopp (voice)
One Piece: Heart of Gold
2016
as Usopp (voice)
One Piece 3D: Straw Hat Chase
2011
as Usopp (voice)
Detective Conan: Episode One - The Great Detective Turned Small
2017
as Shinichi Kudo (voice)
One Piece: Curse of the Sacred Sword
2004
as Usopp (voice)
Inuyasha the Movie: Affections Touching Across Time
2001
as Inuyasha (voice)
Detective Conan: The Bride of Halloween
2022
as Shinichi Kudo (voice)
Death Note Relight 2: L's Successors
2009
as L (voice)
Pretty Cure All Stars DX2: The Light of Hope - Protect the Rainbow Jewel!
2010
as Flappy (voice)
Case Closed: Zero the Enforcer
2018
as Shinichi Kudo / Kaito Kid (voice)
One Piece: Dead End Adventure
2003
as Usopp (voice)
One Piece: Stampede
2019
as Usopp (voice)
Lupin the Third vs. Detective Conan
2009
as Shinichi Kudo (voice)
Ranma 1/2 the Movie 2: Nihao My Concubine
1992
as Ranma Saotome ♂ (voice)
One Piece: Episode of Luffy - Hand Island Adventure
2012
as Usopp (voice)
One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom
2008
as Usopp (voice)
Yu-Gi-Oh! Bonds Beyond Time
2010
as Daitokuji (voice)
One Piece: Adventure of Nebulandia
2015
as Usopp (voice)
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
2023
as Kaito Kuroba (voice)
One Piece Episode of East Blue
2017
as Usopp (voice)
One Piece: Episode of Skypiea
2018
as Usopp (voice)
One Piece Episode of Merry: The Tale of One More Friend
2013
as Usopp (voice)
Inuyasha the Movie 3: Swords of an Honorable Ruler
2003
as Inuyasha (voice)
Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World
2011
as Flappy
One Piece: Chopper's Kingdom on the Island of Strange Animals
2002
as Usopp (voice)
Ressha Sentai ToQger vs. Kyoryuger: The Movie
2015
as Ticket (voice)
Battle Angel
1993
as Yūgo (voice)
Inuyasha the Movie 4: Fire on the Mystic Island
2004
as Inuyasha (voice)
One Piece: Dream Soccer King!
2002
as Usopp (voice)
Escaflowne: The Movie
2000
as Shesta (voice)
Urotsukidōji II: Legend of the Demon Womb
1991
as Young Munchausen II (voice)
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
1991
as Ranma Saotome ♂ (voice)
Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War
2014
as ToQger equipment (voice)
Animal Crossing: The Movie
2006
as Fûta (voice)
One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends
2012
as Usopp (voice)
A Wind Named Amnesia
1990
as Johnny (voice)
One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will
2015
as Usopp (voice)
Alice in Wonderland –Dive in Wonderland–
2025
as The White Rabit (voice)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
2014
as ToQger Equipment Voice
Inuyasha the Movie 2: The Castle Beyond the Looking Glass
2002
as Inuyasha (voice)
Persona4 the ANIMATION -The Factor of Hope-
2012
as Kuma (voice)
Detective Conan vs. Kid the Phantom Thief
2024
as Kaito Kuroba / Kaito Kid (voice)
Samurai X: The Motion Picture
1997
as Yasuharu Musashino
Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together
2009
as Flappy (voice)
Ranma 1/2: Team Ranma vs. the Legendary Phoenix
1994
as Ranma Saotome ♂ (voice)
Pokémon: Pikachu's Rescue Adventure
1999
as Parasect (voice)
One Piece: Romance Dawn Story
2008
as Usopp (voice)
Case Closed: The Fist of Blue Sapphire
2019
as Shinichi Kudo / Kaito Kuroba (voice)
It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday
2008
as Inuyasha / Ranma Saotome ♂ (voice)
Kishin Douji Zenki Gaiden: Anki Kitan
1997
as Zenki
Plastic Little: The Adventures of Captain Tita
1994
as Nicole (voice)
Hanappe Bazooka
1992
as Hanahei Yamada (voice)
Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special
2014
as Ticket / ToQger Equipment (voice)
Butt Attack Punisher Girl Gautaman: The Birth of Gautaman
1994
as Shibuya (voice)
Delinquent in Drag
1992
as Suke Banji (voice)
Desperate Love 1989
1992
as Katsumi Shibuya (voice)
One Piece: Glorious Island
2012
as Usopp (voice)
Dead Leaves
2004
as Retro (voice)
Heart and Yummie
2010
as Heart (voice)
TIGER & BUNNY: The Beginning
2012
as Robin Baxter (voice)
A Tree of Palme
2002
as Roualt (voice)
Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams
2015
as Ticket (voice)
Detective Conan: The Scarlet School Trip
2019
as Shinichi Kudo (voice)
Peacemaker Kurogane: Belief
2018
as Shinpachi Nagakura (voice)
Ultraman Super Fighter Legend
1996
as Astra / Announcer Banjou (voice)
Asura
2012
Kindaichi Case Files Movie 1: The Opera House Murders
1996
as Hajime Kindaichi (Voice)
Bondage Queen Kate
1994
as Dick (voice)
ODDTAXI in the Woods
2022
as Eiji Kakihana (voice)
Grappler Baki: The Ultimate Fighter
1994
as Baki Hanma
Camp Pikachu
2002
as Barubeat (voice)
One Piece Film Gold: Episode 0
2016
as Usopp (voice)
Yona Yona Penguin
2009
as Mulmul (voice)
Chibi Maruko-chan: My Favorite Song
1992
as Kenichi Oono (voice)
Futari wa Precure Splash☆Star the Movie: Tic-Tac Crisis Hanging by a Thin Thread!
2006
as Flappy (voice)
One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!
2003
as Usopp (voice)
About Kappei Yamaguchi
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… With 360 credits spanning from 1986 to 2026, Kappei Yamaguchi has appeared in 202 films and 158 TV shows.
Fans searching for Kappei Yamaguchi movies, Kappei Yamaguchi filmography, or the latest projects starring Kappei Yamaguchi can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Kappei Yamaguchi Movies
- Kiki's Delivery Service (1989) — as Tombo (voice)
- Detective Conan: The Phantom of Baker Street (2002) — as Shinichi Kudo (voice)
- Detective Conan: Black Iron Submarine (2023) — as Shinichi Kudou (voice)
- Detective Conan: One-Eyed Flashback (2025) — as Shinichi Kudo (voice)
- Detective Conan: Quarter of Silence (2011) — as Shinichi Kudo (voice)
Where to Watch Kappei Yamaguchi Films
Most Kappei Yamaguchi movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Kappei Yamaguchi, check our movies catalogue and browse page.