Actor · Acting

Kappei Yamaguchi

Born 1965-05-23

📍 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 367

Assassination Classroom the Movie: Our Time

as Futoshi (voice)

Detective Conan Episode "ZERO" The Shinichi Kudo Aquarium Case

as Shinichi Kudo (voice)

Gintama: Yoshiwara in Flames

as Inorin (voice)

Mechanical Marie

as Carl Ojisan (voice)

Detective Conan: The Truth of 17 Years Ago

as Shinichi Kudo (voice)

Alice in Wonderland –Dive in Wonderland–

as The White Rabit (voice)

Stage Play 「Spooky Kitaro」

Detective Conan: One-Eyed Flashback

as Shinichi Kudo (voice)

as Ranma Saotome (voice)

Mecha-Ude: Mechanical Arms

as Yakumo (voice)

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

Detective Conan: The Million-Dollar Pentagram

as Kaito Kid / Shinichi Kudou (voice)

Train to the End of the World

as Shizuru's father (voice)

Bakuage Sentai Boonboomger

as Ticket (voice)

as Komao (voice)

Detective Conan vs. Kid the Phantom Thief

as Kaito Kuroba / Kaito Kid (voice)

Detective Conan: Black Iron Submarine

as Shinichi Kudou (voice)

Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train

as Kaito Kuroba (voice)

as Saizo (voice)

as Tsuyuo (voice)

as B-Bo (voice)

One Piece Film Red

as Usopp (voice)

Detective Conan: The Bride of Halloween

as Shinichi Kudo (voice)

Miss Shachiku and the Little Baby Ghost

as "Cute" Voiceover of the Week (voice)

Estab-Life: Great Escape

as Mikhail (voice)

ODDTAXI in the Woods

as Eiji Kakihana (voice)

One Piece - En route vers l'épisode 1000

as Comédien de doublage de Usopp – Japon

The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm

as Oberon (voice)

Detective Conan: The Scarlet Bullet

as Shinichi Kudo (voice)

as Jii-chan (voice)

as Eiji Kakihana (voice)

航海王：和之国总集篇

The Gymnastics Samurai

as Bigbird Aragaki (voice)

as 血涂（配音）

Yashahime: Princess Half-Demon

as Inuyasha (voice)

BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.

as Shin (voice)

Detective Conan: The Scarlet School Trip

as Shinichi Kudo (voice)

Super Sentai Strongest Battle Director's Cut

as ToQger Arsenal (voice)

as Jabbathe (voice)

Chibi Maruko-chan

as Kenichi Oono (voice)

Case Closed: The Fist of Blue Sapphire

as Shinichi Kudo / Kaito Kuroba (voice)

Super Sentai Strongest Battle!!

as ToQger Arsenal (voice)

One Piece: Stampede

as Usopp (voice)

as Master Lord Majesty (voice)

One Piece: Episode of Skypiea

as Usopp (voice)

Super Dragon Ball Heroes

Peacemaker Kurogane: Belief

as Shinpachi Nagakura (voice)

Case Closed: Zero the Enforcer

as Shinichi Kudo / Kaito Kid (voice)

GeGeGe no Kitaro

One Piece Episode of East Blue

as Usopp (voice)

Mazinger Z: Infinity

as Mucha (voice)

The Ancient Magus' Bride

as Oberon (voice)

Case Closed: The Crimson Love Letter

as Shinichi Kudo (voice)

Makeruna!! Aku no Gundan!

as Pepu (voice)

Okaeri: Furusato no Karatsu

as Sora Hiroi (voice)

Detective Conan: Episode One - The Great Detective Turned Small

as Shinichi Kudo (voice)

One Piece: Heart of Gold

as Usopp (voice)

One Piece: The Great Treasure of Tongari Island

as Usopp (voice)

One Piece Film: GOLD

as Usopp (voice)

One Piece Film Gold: Episode 0

as Usopp (voice)

One Piece Characters Log

Detective Conan: The Darkest Nightmare

as Shinichi Kudo (voice)

Doubutsu Sentai Zyuohger

as Illusion (voice)

Shuriken Sentai Ninninger vs. ToQger the Movie: Ninjas in Wonderland

as Ticket (voice), ToQger Equipment Voice

Showa Genroku Rakugo Shinju

as Amaken (voice)

One Piece: Adventure of Nebulandia

as Usopp (voice)

One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will

as Usopp (voice)

The Boy and the Beast

as Teenage Jiromaru (voice)

Rampo Kitan: Game of Laplace

as Shitai-kun (voice)

Ressha Sentai ToQger Final Live Tour 2015

as Ticket / ToQger Equipment Voice (voice)

Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams

as Ticket (voice)

The Adventures of Tyrano Boy

as Zesta (voice)

Detective Conan: Sunflowers of Inferno

as Shinichi Kudo / Kaitou Kid (voice)

as Sabato Rokudou

Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History

as Shinichi Kudo (voice)

Ressha Sentai ToQger vs. Kyoryuger: The Movie

as Ticket (voice)

One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends

as Usopp (voice)

Tomcat's Big Adventure

as Michael (voice)

Magic Kaito 1412

as Kaito Kuroba / Shinichi Kudo (voice)

In Search of the Lost Future

as Osafune Kenny Eitarou

Ressha Sentai ToQger DVD Special: Farewell, Ticket! The Wasteland Super ToQ Battle!

as Ticket (voice)

Ressha Sentai ToQger The Movie: Galaxy Line S.O.S.

as Ticket / ToQger Equipment / Narrator (voice)

Persona 4 The Golden Animation

as Teddie (voice)

Magi: Adventure of Sinbad

as Valefor (voice)

Detective Conan: Dimensional Sniper

as Shinichi Kudo (voice)

Gigant Big-Shot Tsukasa

as Tsukasa Mendō (voice)

Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special

as Ticket / ToQger Equipment (voice)

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai

as ToQger Equipment Voice

Ressha Sentai ToQger

as Ticket (voice)

Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War

as ToQger equipment (voice)

One Piece Episode of Merry: The Tale of One More Friend

as Usopp (voice)

Lupin the Third vs. Detective Conan: The Movie

as Shinichi Kudo / Kaito Kuroba (voice)

Danganronpa: The Animation

as Hifumi Yamada (voice)

Detective Conan: Private Eye in the Distant Sea

as Shinichi Kudo (voice)

Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!!

as Usopp (voice)

Hunter x Hunter: Phantom Rouge

as Feitan (voice)

One Piece: Glorious Island

as Usopp (voice)

One Piece: Episode of Luffy - Hand Island Adventure

as Usopp (voice)

One Piece Film: Z

as Usopp (voice)

JoJo's Bizarre Adventure

as Shigechi (voice)

JoJo's Bizarre Adventure

TIGER & BUNNY: The Beginning

as Robin Baxter (voice)

One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends

as Usopp (voice)

VISUALIVE Persona 4

as Kuma (voice)

Our Home's Fox Deity

Persona4 the ANIMATION -The Factor of Hope-

as Kuma (voice)

Detective Conan: The Eleventh Striker

as Shinichi Kudo (voice)

Hikonin Sentai Akibaranger

as Chief Clerk Blu-Ray (voice)

Hikonin Sentai Akibaranger

as Chief Editor HVD (voice)

Pretty Cure All Stars New Stage: Friends of the Future

One Piece 3D: Gekisou! Trap Coaster

as Usopp (voice)

PERSONA 4 the Animation

as Teddie (voice)

Majikoi - Oh! Samurai Girls

as Ikuro Fukumoto (voice)

Hunter x Hunter

as 飞坦（配音）

One Piece Episode of Alabasta Prologue

as Usopp (voice)

Detective Conan: Quarter of Silence

as Shinichi Kudo (voice)

Ghastly Prince Enma Burning Up

One Piece 3D: Straw Hat Chase

as Usopp (voice)

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

Serena x One Piece: Sennyuu!! Sauzando Sunny-gou

as Usopp (voice)

as White Deer (voice)

Atashin'chi: The 3D Movie

as Fujino (voice)

Heart and Yummie

as Heart (voice)

Tatsuya Miyanishi Theatre: Heart and Yummie

Detective Conan: The Lost Ship in the Sky

as Shinichi Kudo / Kaito Kid (voice)

Magic Kaito: Kid the Phantom Thief

as Kaito Kuroba / Kaito Kid (voice)

Pretty Cure All Stars DX2: The Light of Hope - Protect the Rainbow Jewel!

as Flappy (voice)

Tensou Sentai Goseiger

as Ain-I of the Neutral (voice)

Yu-Gi-Oh! Bonds Beyond Time

as Daitokuji (voice)

Yona Yona Penguin

as Mulmul (voice)

One Piece Film: Strong World

as Usopp (voice)

Space Battleship Yamato Resurrection

as Ryohei Nakanishi (voice)

Death Note Relight 2: L's Successors

Detective Conan: The Raven Chaser

as Shinichi Kudo (voice)

Valkyria Chronicles

Lupin the Third vs. Detective Conan

as Shinichi Kudo (voice)

Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together

as Flappy (voice)

Urusei Yatsura: The Obstacle Course Swim Meet, It's a Rumic World: Urusei Yatsura

as Satoshi Ideguchi (voice)

One Piece: Romance Dawn Story

as Usopp (voice)

Ranma ½: Nightmare! Incense of Spring Sleep

as Ranma Saotome ♂ (voice)

It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday

as Inuyasha / Ranma Saotome ♂ (voice)

Detective Conan: Full Score of Fear

as Shinichi Kudo (voice)

Neo Angelique Abyss

One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom

as Usopp (voice)

Mouse Story: The Adventures of George and Gerald

Detective Conan: Black History

Pokémon Mystery Dungeon: Explorers of Time & Darkness

as Chimchar (voice)

Death Note Relight 1: Visions of a God

as Chic Jefferson (voice)

Detective Conan: Jolly Roger in the Deep Azure

as Shin'ichi Kudo (voice)

Detective Conan Magic File

as Male 'Awakened' 3 (voice)

One Piece: The Desert Princess and the Pirates: Adventure in Alabasta

as Usopp / Lashes (voice)

Animal Crossing: The Movie

as Fûta (voice)

Futari wa Precure Splash☆Star the Movie: Tic-Tac Crisis Hanging by a Thin Thread!

as Flappy (voice)

as L（配音）

Futari wa Precure Splash☆Star: Maji Doki Theater

as Flappy (voice)

Powerpuff Girls Z

Angel's Feather

as Hamura Shou (voice)

Detective Conan: The Private Eyes' Requiem

as Shinichi Kudo (voice) / Kaito Kuroba (voice)

as Hugh (voice)

One Piece: Giant Mecha Soldier of Karakuri Castle

as Usopp (voice)

PreCure Splash Star

as Flappy (voice)

Ayakashi: Samurai Horror Tales

as Kaikaimaru (voice)

One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy

as Usopp (voice)

Nagasaki 1945 ~ The Angelus Bells

Tomorrow Will Be Better! Half a Sweet Potato

Detective Conan: Strategy Above the Depths

as Shinichi Kudou (voice)

as Raimon Tarou

The Law of Ueki

as Hideyoshi Soya (voice)

Pretty Guardian Sailor Moon: Act Zero

One Piece: Baron Omatsuri and the Secret Island

as Usopp (voice)

Inuyasha the Movie 4: Fire on the Mystic Island

as Inuyasha (voice)

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

Netrun-mon the Movie

as Professor Daitokuji / Lyman Banner (voice)

as 及川彦郎（配音）

Detective Conan: Magician of the Silver Sky

as Kaito Kid / Shinichi Kudou (voice)

Doki Doki School Hours

as Kenta Suetake

Sore Ike! Zukkoke Sannin-gumi

One Piece: Curse of the Sacred Sword

as Usopp (voice)

Tokusou Sentai Dekaranger

as Thousanian Gineka (voice)

as Retro (voice)

Inuyasha the Movie 3: Swords of an Honorable Ruler

as Inuyasha (voice)

One Piece Special: Protect! The Last Great Stage

as Usopp (voice)

Peacemaker Kurogane

as Shinpachi Nagakura (voice)

Pretty Guardian Sailor Moon

as Artemis (voice)

Detective Conan: Crossroad in the Ancient Capital

as Shinichi Kudo (voice)

One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!

as Usopp (voice)

One Piece: Dead End Adventure

as Usopp (voice)

as Sorata Muon (voice)

as Ogawa (voice)

Inuyasha the Movie 2: The Castle Beyond the Looking Glass

as Inuyasha (voice)

Space Pirate Captain Herlock: Outside Legend - The Endless Odyssey

as Tochiro (voice)

Hanada Shounen-shi

as Haruhiko (voice)

as Goku (voice)

Bonobono: Secret of the Kumomo Tree

as Araiguma-kun

Step Up Love Story

as Barubeat (voice)

One Piece: The Adventure in Grand Line

as Usopp (voice)

Detective Conan: The Phantom of Baker Street

as Shinichi Kudo (voice)

as Fujino (voice)

The Twelve Kingdoms

as Rokuta (voice)

as Tomonori Iwaki

La Blue Girl: Climax Taizen

A Tree of Palme

as Roualt (voice)

One Piece: Dream Soccer King!

as Usopp (voice)

One Piece: Chopper's Kingdom on the Island of Strange Animals

as Usopp (voice)

Inuyasha the Movie: Affections Touching Across Time

as Inuyasha (voice)

Case Closed: Countdown to Heaven

as Shinichi Kudo (voice)

Sister Princess

Battle Doll: Angelic Layer

One Piece: Clockwork Island Adventure

as Usopp (voice)

One Piece: Jango's Dance Carnival

as Usopp (voice)

Pichu & Pikachu's Winter Vacation 2001

as Delibird (voice)

Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel

as Usopp (voice)

Android Kikaider

as Saburo Kazeda (voice)

as 犬夜叉（配音）

as Ryuichi Sakuma (voice)

Reinou Tantei Miko: Phantom Hunter Miko

as Rokuro Kanda (voice)

Escaflowne: The Movie

as Shesta (voice)

Detective Conan: Captured in Her Eyes

as Shinichi Kudo (voice)

One Piece: The Movie

as Usopp (voice)

Baby Felix & Friends

as Usopp (voice)

My Dread is School! Kanako Inuki Shout Collection

Gravitation: Lyrics of Love

as Ryuuichi Sakuma

Pokémon: Pikachu's Rescue Adventure

as Parasect (voice)

Detective Conan: The Last Wizard of the Century

as Shinichi Kudo / Kaito Kuroba (voice)

as Keita Aono (voice)

Gosho Aoyama’s Collection of Short Stories

Kamikaze Kaitou Jeanne

Dragon Knight: Wheel of Time

Dragon Knight: Wheel of Time

as Kakeru (voice)

Dragon Knight 4: Wheel of Time

Flint: The Time Detective

as Kyoichiro Narugami

Welcome to Lodoss Island!

as Etoh (voice)

Case Closed: The Fourteenth Target

as Shinichi Kudo (voice)

as Taro Yoshida (voice)

Cyber Team in Akihabara

as Crane Bahnsteik (voice)

as Rhint (voice)

Samurai X: The Motion Picture

as Yasuharu Musashino

Noiseman Sound Insect

as Manabu (voice)

CLAMP School Detectives

Detective Conan: The Time Bombed Skyscraper

as Shinichi Kudo (voice)

Revolutionary Girl Utena

as Shiori's boyfriend (voice)

as Sasuke (voice)

Jungle de Ikou!

as Takuma (voice)

Kishin Douji Zenki Gaiden: Anki Kitan

Ayane's High Kick

as Kappei Inagaki (voice)

Kindaichi Case Files Movie 1: The Opera House Murders

as Hajime Kindaichi (Voice)

Bronze: Zetsuai Since 1989

as Shibuya (voice)

Jewel BEM Hunter Lime

as バース (voice)

Yat, The Space Patrol

as カナビー

Ultraman Super Fighter Legend

as Astra / Announcer Banjou (voice)

Shadow Skill: The Movie

as Scrib Lowengren

as Nin-Nin (voice)

as Takuya Enoki (voice)

Magical Circle Guru Guru

Dragon Quest - Emblem of Roto

as Camilla (voice)

Neighborhood Story The Movie

as Tsutomu Yamaguchi (voice)

as Julian (voice)

Can Can Bunny Extra

as Kenta (voice)

Detective Conan

Detective Conan

as 工藤新一（配音）

Shadow Skill: Epilogue

as Scrib Lowengren (voice)

Neighborhood Story

as Tsutomu Yamaguchi (Voice)

as Takuro Amano

as Zenki (voice)

Mighty Space Miners

as Ushiwaka Nanbu (voice)

Butt Attack Punisher Girl Gautaman R: The Final Battle Between Love & Tragedy!

as Shibuya (voice)

Captain Tsubasa J

as Ryou Ishizaki (voice)

Grappler Baki: The Ultimate Fighter

Ranma 1/2: Team Ranma vs. the Legendary Phoenix

as Ranma Saotome ♂ (voice)

The Mighty Gin Rei

as Daisaku Kusama (voice)

as Onimaro (voice)

Bondage Queen Kate

as Dick (voice)

Bondage Queen Kate

as Dick (voice)

Butt Attack Punisher Girl Gautaman: The Birth of Gautaman

as Shibuya (voice)

Mobile Fighter G Gundam

as Sai Saici (voice)

Galaxy Warring State Chronicle Rai

Plastic Little: The Adventures of Captain Tita

as Nicole (voice)

Tokyo Babylon 2

as Subaru Sumeragi

Barefoot Gin Rei

as Daisaku Kusama (voice)

Lil' Red Riding Hood Cha-Cha

Blue Memories: Boys, Colonizing Manchuria and Mongolia

as Kyota Suzuki (voice)

Please Save My Earth

as Hirohiko Kazama (voice)

as Soldier Utsunomiya (voice)

Jungle King Taa-chan

as Yūgo (voice)

as Yugo (voice)

Shippuu! Iron Leaguer

as Kiwami Juurouta

Silent Mobius Gaiden: The End of the Edo Period

Armored Dragon Legend Villgust

as Bostov (voice)

as Yuuya Noda (voice)

Chibi Maruko-chan: My Favorite Song

as Kenichi Oono (voice)

Appleland Story

Tokyo Babylon 1

as Subaru Sumeragi

as Subaru Sumeragi (voice)

Hanappe Bazooka

as Hanahei Yamada (voice)

Delinquent in Drag

as Suke Banji (voice)

Ranma 1/2 the Movie 2: Nihao My Concubine

as Ranma Saotome ♂ (voice)

Desperate Love 1989

as Katsumi Shibuya (voice)

as Katsumi Shibuya (voice)

Giant Robo: The Day the Earth Stood Still

as Daisaku Kusama

Giant Robo: The Day the Earth Stood Still

as Daisaku Kusama

The Heroic Legend of Arslan II

as Nin-Nin (voice)

KO Century Beast Warriors

as Wan Dababatta

Free Kick Toward Tomorrow

as Toto (voice)

as Ougi (voice)

as Billia (voice)

Inferious Interplanetary War Chronicle - Condition Green

as Oscar Cloud (voice)

Here Is Greenwood

as Tenma Koizumi (voice)

Ranma 1/2 the Movie: Big Trouble in Nekonron, China

as Ranma Saotome ♂ (voice)

Genji Tsuushin Agedama

as Hikari Yumenokōji (voice)

The Heroic Legend of Arslan

The Heroic Legend of Arslan: Age of Heroes

as Arslan (voice)

Urotsukidōji II: Legend of the Demon Womb

as Young Munchausen II (voice)

Legend of the Dragon Kings

as Amaru Ryudou

Urotsukidōji IV - The Infernal Road

as Young Munchausen II (voice)

as Ryū-ō (voice)

as Ginjiro Yamazaki (voice)

as Madara (voice)

Samurider: Nazo no Tenkousei

A Wind Named Amnesia

as Johnny (voice)

Violence Jack: Hell's Wind

as Saburo Tenma

Devil Hunter Yohko

Devil Hunter Yohko

as Wakabayashi Osamu (voice)

Hakkenden: Legend of the Dog Warriors

as Sosuke Inukawa (voice)

as Hiroaki Kusano (voice)

Record of Lodoss War

as Etoh (voice)

Nadia: The Secret of Blue Water

as Hamahama (voice)

as Yūsuke Yamamoto

as Yūsuke Yamamoto (voice)

Samurai Pizza Cats

Ryokunohara Labyrinth - Sparkling Phantom

as Kanata Tokino

Kiki's Delivery Service

as Tombo (voice)

as Ranma Saotome

as Ranma Saotome ♂ (voice)

The Legend of Lyon: Flare

GinRei Special OVA

as Daisaku Kusama