
Kappei Yamaguchi
- Known for
- Acting
- Born
- May 23, 1965
- Birthplace
- Fukuoka, Fukuoka, Japan
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.
Filmography

Detective Conan: The Counterfeit Case of Ultra 30 2026
as Shinichi Kudo (voice)

A Lazy Day in Thousand Sunny 2026
as Usopp

Detective Conan: Fallen Angel of the Highway 2026
as Shinichi Kudou (voice)

Assassination Classroom the Movie: Our Time 2026
as Futoshi (voice)

Gintama the Movie 2026: Yoshiwara in Flames 2026
as Inorin (voice)

Detective Conan: The 17-Year-Old Truth 2025
as Shinichi Kudo (voice)

Alice in Wonderland –Dive in Wonderland– 2025
as The White Rabit (voice)

Stage Play 「Spooky Kitaro」 2025
Actor

Detective Conan: One-Eyed Flashback 2025
as Shinichi Kudo (voice)

One Piece Fan Letter 2024
as Usopp

Unification of Japan Gaiden: Yamazaki Family — Joji and His Merry Friends 2024
Actor

Detective Conan: The Million-Dollar Pentagram 2024
as Kaito Kid / Shinichi Kudou (voice)

Detective Conan vs. Kid the Phantom Thief 2024
as Kaito Kuroba / Kaito Kid (voice)

Detective Conan: Black Iron Submarine 2023
as Shinichi Kudou (voice)

Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train 2023
as Kaito Kuroba (voice)

One Piece Film Red 2022
as Usopp (voice)

Detective Conan: The Bride of Halloween 2022
as Shinichi Kudo (voice)

ODDTAXI in the Woods 2022
as Eiji Kakihana (voice)

One Piece - En route vers l'épisode 1000 2021
as Comédien de doublage de Usopp – Japon

Detective Conan: The Scarlet Bullet 2021
as Shinichi Kudo (voice)

Detective Conan: The Scarlet School Trip 2019
as Shinichi Kudo (voice)

Super Sentai Strongest Battle Director's Cut 2019
as ToQger Arsenal (voice)

Case Closed: The Fist of Blue Sapphire 2019
as Shinichi Kudo / Kaito Kuroba (voice)

One Piece: Stampede 2019
as Usopp (voice)

Planetarium HANAKAPPA: Bloom! Pop! Space Travel 2018
as Garizo (voice)

One Piece: Episode of Skypiea 2018
as Usopp (voice)

Peacemaker Kurogane: Belief 2018
as Shinpachi Nagakura (voice)

Case Closed: Zero the Enforcer 2018
as Shinichi Kudo / Kaito Kid (voice)

Engimon 2018
Actor

Mazinger Z: Infinity 2017
as Mucha (voice)

One Piece Episode of East Blue 2017
as Usopp (voice)

Case Closed: The Crimson Love Letter 2017
as Shinichi Kudo (voice)

Okaeri: Furusato no Karatsu 2017
as Sora Hiroi (voice)

Kamiwaza Wanda 2017
Actor

Detective Conan: Episode One - The Great Detective Turned Small 2017
as Shinichi Kudo (voice)

One Piece: The Great Treasure of Tongari Island 2016
as Usopp (voice)

One Piece Film: GOLD 2016
as Usopp (voice)

One Piece: Heart of Gold 2016
as Usopp (voice)

One Piece Film Gold: Episode 0 2016
as Usopp (voice)

Detective Conan: The Darkest Nightmare 2016
as Shinichi Kudo (voice)

Shuriken Sentai Ninninger vs. ToQger the Movie: Ninjas in Wonderland 2016
as Ticket (voice), ToQger Equipment Voice

One Piece: Adventure of Nebulandia 2015
as Usopp (voice)

One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will 2015
as Usopp (voice)

The Boy and the Beast 2015
as Teenage Jiromaru (voice)

Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams 2015
as Ticket (voice)

Ressha Sentai ToQger Final Live Tour 2015 2015
as Ticket / ToQger Equipment Voice (voice)

The Adventures of Tyrano Boy 2015
as Zesta (voice)

Detective Conan: Sunflowers of Inferno 2015
as Shinichi Kudo / Kaitou Kid (voice)

Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History 2015
as Shinichi Kudo (voice)

Ressha Sentai ToQger vs. Kyoryuger: The Movie 2015
as Ticket (voice)

Tomcat's Big Adventure 2014
as Michael (voice)

Ressha Sentai ToQger DVD Special: Farewell, Ticket! The Wasteland Super ToQ Battle! 2014
as Ticket (voice)

One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends 2014
as Usopp (voice)

Ressha Sentai ToQger The Movie: Galaxy Line S.O.S. 2014
as Ticket / ToQger Equipment / Narrator (voice)

Detective Conan: Dimensional Sniper 2014
as Shinichi Kudo (voice)

Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special 2014
as Ticket / ToQger Equipment (voice)

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai 2014
as ToQger Equipment Voice

Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War 2014
as ToQger equipment (voice)

Lupin the Third vs. Detective Conan: The Movie 2013
as Shinichi Kudo / Kaito Kuroba (voice)

One Piece Episode of Merry: The Tale of One More Friend 2013
as Usopp (voice)

Detective Conan: Private Eye in the Distant Sea 2013
as Shinichi Kudo (voice)

That's HANAKAPPA Musical: Bread or Rice, Which Is It!? 2013
as Garizo (voice)

HANAKAPPA: Adventure in the Butterfly Kingdom 2013
as Garizo (voice)

Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!! 2013
as Usopp (voice)

Hunter x Hunter: Phantom Rouge 2013
as Feitan (voice)

HANAKAPPA's Traffic Safety: Turn Right, Left, Right in Search of a Cake 2013
as Garizo (voice)

One Piece: Glorious Island 2012
as Usopp (voice)

One Piece Film: Z 2012
as Usopp (voice)

One Piece: Episode of Luffy - Hand Island Adventure 2012
as Usopp (voice)

Asura 2012
Actor

TIGER & BUNNY: The Beginning 2012
as Robin Baxter (voice)

One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends 2012
as Usopp (voice)

VISUALIVE Persona 4 2012
as Kuma (voice)

Persona4 the ANIMATION -The Factor of Hope 2012
as Kuma (voice)

Detective Conan: The Eleventh Striker 2012
as Shinichi Kudo (voice)

Pretty Cure All Stars New Stage: Friends of the Future 2012
as Flappy

One Piece 3D: Gekisou! Trap Coaster 2011
as Usopp (voice)

One Piece Episode of Alabasta Prologue 2011
as Usopp (voice)

Detective Conan: Quarter of Silence 2011
as Shinichi Kudo (voice)

Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World 2011
as Flappy

One Piece Mugiwara Chase 2011
as Usopp (voice)

Serena x One Piece: Sennyuu!! Sauzando Sunny-gou 2011
as Usopp (voice)

Coicent 2010
as White Deer (voice)

Atashin'chi: The 3D Movie 2010
as Fujino (voice)

Heart and Yummie 2010
as Heart (voice)

Detective Conan: The Lost Ship in the Sky 2010
as Shinichi Kudo / Kaito Kid (voice)

Pretty Cure All Stars DX2: The Light of Hope - Protect the Rainbow Jewel! 2010
as Flappy (voice)

One Piece Film: Strong World 2010
as Usopp (voice)

Yu-Gi-Oh! Bonds Beyond Time 2010
as Daitokuji (voice)

Yona Yona Penguin 2009
as Mulmul (voice)

Space Battleship Yamato Resurrection 2009
as Ryohei Nakanishi (voice)

Death Note Relight 2: L's Successors 2009
as L (voice)

Detective Conan: The Raven Chaser 2009
as Shinichi Kudo (voice)

Lupin the Third vs. Detective Conan 2009
as Shinichi Kudo (voice)

Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together 2009
as Flappy (voice)

Urusei Yatsura: The Obstacle Course Swim Meet, It's a Rumic World: Urusei Yatsura 2008
as (voice)

One Piece: Romance Dawn Story 2008
as Usopp (voice)

It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday 2008
as Inuyasha / Ranma Saotome ♂ (voice)

Ranma ½: Nightmare! Incense of Spring Sleep 2008
as Ranma Saotome ♂ (voice)

Detective Conan: Full Score of Fear 2008
as Shinichi Kudo (voice)

One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom 2008
as Usopp (voice)

Mouse Story: The Adventures of George and Gerald 2007
as Chamberlain

Detective Conan: Black History 2007
Actor

Pokémon Mystery Dungeon: Explorers of Time & Darkness 2007
as Chimchar (voice)

Death Note Relight 1: Visions of a God 2007
as L (voice)

Detective Conan: Jolly Roger in the Deep Azure 2007
as Shin'ichi Kudo (voice)

Detective Conan Magic File 2007
Actor

One Piece: The Desert Princess and the Pirates: Adventure in Alabasta 2007
as Usopp / Lashes (voice)

Animal Crossing: The Movie 2006
as Fûta (voice)

Futari wa Precure Splash☆Star the Movie: Tic-Tac Crisis Hanging by a Thin Thread! 2006
as Flappy (voice)

Futari wa Precure Splash☆Star: Maji Doki Theater 2006
as Flappy (voice)

Detective Conan: The Private Eyes' Requiem 2006
as Shinichi Kudo (voice) / Kaito Kuroba (voice)

One Piece: Giant Mecha Soldier of Karakuri Castle 2006
as Usopp (voice)

ワンピース特別編 わかりやすいルフィ大百科 2005
as 乌索普

One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy 2005
as Usopp (voice)

Nagasaki 1945 ~ The Angelus Bells 2005
Actor

Tomorrow Will Be Better! Half a Sweet Potato 2005
Actor

Detective Conan: Strategy Above the Depths 2005
as Shinichi Kudou (voice)

Pretty Guardian Sailor Moon: Act Zero 2005
Actor

One Piece: Baron Omatsuri and the Secret Island 2005
as Usopp (voice)

Inuyasha the Movie 4: Fire on the Mystic Island 2004
as Inuyasha (voice)

Pretty Guardian Sailor Moon Special Act: We're Getting Married!! 2004
Actor

Netrun-mon the Movie 2004
as BB Runner

Detective Conan: Magician of the Silver Sky 2004
as Kaito Kid / Shinichi Kudou (voice)

Pa-Pa-Pa the Movie: Perman: Tako de Pon! Ashi wa Pon! 2004
Actor

One Piece: Curse of the Sacred Sword 2004
as Usopp (voice)

Dead Leaves 2004
as Retro (voice)

Inuyasha the Movie 3: Swords of an Honorable Ruler 2003
as Inuyasha (voice)

One Piece Special: Protect! The Last Great Stage 2003
as Usopp (voice)

Guitar wo Motta Shounen: Kikaider VS Inazuman 2003
as Saburo Kazeta/Inazuman

Detective Conan: Crossroad in the Ancient Capital 2003
as Shinichi Kudo (voice)

One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream! 2003
as Usopp (voice)

One Piece: Dead End Adventure 2003
as Usopp (voice)

Inuyasha the Movie 2: The Castle Beyond the Looking Glass 2002
as Inuyasha (voice)

Bonobono: Secret of the Kumomo Tree 2002
as Araiguma-kun

Camp Pikachu 2002
as Barubeat (voice)

One Piece: The Adventure in Grand Line 2002
as Usopp (voice)

Detective Conan: The Phantom of Baker Street 2002
as Shinichi Kudo (voice)

La Blue Girl: Climax Taizen 2002
as Nin-Nin

A Tree of Palme 2002
as Roualt (voice)

One Piece: Chopper's Kingdom in the Strange Animal Island 2002
as Usopp (voice)

One Piece: Dream Soccer King! 2002
as Usopp (voice)

Inuyasha the Movie: Affections Touching Across Time 2001
as Inuyasha (voice)

Case Closed: Countdown to Heaven 2001
as Shinichi Kudo (voice)

One Piece: Jango's Dance Carnival 2001
as Usopp (voice)

One Piece: Clockwork Island Adventure 2001
as Usopp (voice)

Pichu & Pikachu's Winter Vacation 2001 2000
as Delibird (voice)

Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel 2000
as Usopp (voice)

Escaflowne: The Movie 2000
as Shesta (voice)

Detective Conan: Captured in Her Eyes 2000
as Shinichi Kudo (voice)

One Piece: The Movie 2000
as Usopp (voice)

Baby Felix & Friends 2000
as Poindexter

My Dread is School! Kanako Inuki Shout Collection 1999
as Bukita

Pokémon: Pikachu's Rescue Adventure 1999
as Parasect (voice)

Detective Conan: The Last Wizard of the Century 1999
as Shinichi Kudo / Kaito Kuroba (voice)

Gosho Aoyama’s Collection of Short Stories 1999
Actor

Twinbee PARADISE 1998
Actor

Dragon Knight: Wheel of Time 1998
as Kakeru
- Virgin Fleet
Virgin Fleet 1998
as Sada

Welcome to Lodoss Island! 1998
as Etoh (voice)

Case Closed: The Fourteenth Target 1998
as Shinichi Kudo (voice)

Samurai X: The Motion Picture 1997
as Yasuharu Musashino

Noiseman Sound Insect 1997
as Manabu (voice)
- Conan vs. Kaito Kid
Conan vs. Kaito Kid 1997
as Kaito Kid

Detective Conan: The Time Bombed Skyscraper 1997
as Shinichi Kudo (voice)

Eternal Family 1997
as Sasuke (voice)

Kishin Douji Zenki Gaiden: Anki Kitan 1997
as Zenki

Kindaichi Case Files : The Opera House Murders 1996
as Hajime Kindaichi (Voice)

Bronze: Zetsuai Since 1989 1996
as Shibuya (voice)

Ultraman Super Fighter Legend 1996
as Astra / Announcer Banjou (voice)

Shadow Skill: The Movie 1996
as Scrib Lowengren

Dragon Quest - Emblem of Roto 1996
Actor

Magical Circle Guru Guru 1996
Actor

Neighborhood Story The Movie 1996
as Tsutomu Yamaguchi (voice)

Shadow Skill: Epilogue 1995
as Scrib Lowengren (voice)

Butt Attack Punisher Girl Gautaman R: The Final Battle Between Love & Tragedy! 1994
as Shibuya (voice)

Grappler Baki: The Ultimate Fighter 1994
as Baki Hanma

The Mighty Gin Rei 1994
as Daisaku Kusama (voice)

Ranma 1/2: Team Ranma vs. the Legendary Phoenix 1994
as Ranma Saotome ♂ (voice)

Bondage Queen Kate 1994
as Dick (voice)

Butt Attack Punisher Girl Gautaman: The Birth of Gautaman 1994
as Shibuya (voice)

Tokyo Babylon 2 1994
as Subaru Sumeragi

Plastic Little: The Adventures of Captain Tita 1994
as Nicole (voice)

Barefoot Gin Rei 1994
as Daisaku Kusama (voice)

Crows 1994
Actor

Blue Memories: Boys, Colonizing Manchuria and Mongolia 1993
as Kyota Suzuki (voice)

Battle Angel 1993
as Yūgo (voice)

Silent Mobius Gaiden: The End of the Edo Period 1993
Actor

Chibi Maruko-chan: My Favorite Song 1992
as Kenichi Oono (voice)

Appleland Story 1992
as Virgil

Tokyo Babylon 1 1992
as Subaru Sumeragi

Hanappe Bazooka 1992
as Hanahei Yamada (voice)

Delinquent in Drag 1992
as Suke Banji (voice)

Ranma 1/2 the Movie 2: Nihao My Concubine 1992
as Ranma Saotome ♂ (voice)

Desperate Love 1989 1992
as Katsumi Shibuya (voice)

Giant Robo: The Day the Earth Stood Still 1992
as Daisaku Kusama

The Heroic Legend of Arslan II 1992
Actor

K.O. Beast 1992
Actor

Boyfriend 1992
as Ougi (voice)

Tottoi 1992
as Billia (voice)

Inferious Interplanetary War Chronicle - Condition Green 1991
as Oscar Cloud (voice)

Ranma 1/2 the Movie: Big Trouble in Nekonron, China 1991
as Ranma Saotome ♂ (voice)

The Heroic Legend of Arslan 1991
Actor

Urotsukidōji II: Legend of the Demon Womb 1991
as Young Munchausen II (voice)

Trusty Ginjiro 1991
as Ginjiro Yamazaki (voice)

Madara 1991
as (voice)

Samurider: Nazo no Tenkousei 1991
as 山口

A Wind Named Amnesia 1990
as Johnny (voice)

Violence Jack: Hell's Wind 1990
as Saburo Tenma

Chibi Maruko-chan 1990
as Kenichi Oono (voice)

Devil Hunter Yohko 1990
Actor

Nineteen 19 1990
as Hiroaki Kusano (voice)

Ryokunohara Labyrinth - Sparkling Phantom 1990
as Kanata Tokino

Kiki's Delivery Service 1989
as Tombo (voice)
Credits from TMDB.