
Kappei Yamaguchi
Born May 23, 1965 · 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.
Notable Appearances
Movies

Kiki's Delivery Service

Detective Conan: The Million-Dollar Pentagram

Detective Conan: Fallen Angel of the Highway

Gintama the Movie 2026: Yoshiwara in Flames

Detective Conan: Quarter of Silence

Assassination Classroom the Movie: Our Time

One Piece Film Red

Detective Conan: One-Eyed Flashback

Detective Conan: Dimensional Sniper

The Boy and the Beast

One Piece Film: GOLD

One Piece Film: Z

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

One Piece Film: Strong World

Detective Conan: Captured in Her Eyes

Detective Conan: The Phantom of Baker Street

Detective Conan: Black Iron Submarine

Detective Conan: The Time Bombed Skyscraper

One Piece: The Movie

Case Closed: Countdown to Heaven

Detective Conan: The Lost Ship in the Sky

Detective Conan: The Raven Chaser

Case Closed: The Fourteenth Target

Lupin the Third vs. Detective Conan: The Movie

Case Closed: The Crimson Love Letter

Detective Conan: Magician of the Silver Sky

Death Note Relight 1: Visions of a God

Detective Conan: The Scarlet Bullet

One Piece Episode of East Blue

Detective Conan: Jolly Roger in the Deep Azure

Detective Conan: The Private Eyes' Requiem

Detective Conan: The Last Wizard of the Century

Detective Conan: Crossroad in the Ancient Capital

Detective Conan: The Darkest Nightmare

Detective Conan: The Eleventh Striker

One Piece: Curse of the Sacred Sword

Detective Conan: The Bride of Halloween

One Piece: Giant Mecha Soldier of Karakuri Castle

Detective Conan: Full Score of Fear

Detective Conan: Sunflowers of Inferno

Detective Conan: Private Eye in the Distant Sea

One Piece: Baron Omatsuri and the Secret Island

One Piece: Clockwork Island Adventure

Hunter x Hunter: Phantom Rouge

Ranma 1/2 the Movie 2: Nihao My Concubine

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

One Piece Mugiwara Chase

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

One Piece: Dead End Adventure

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

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

Detective Conan: Strategy Above the Depths

Inuyasha the Movie 4: Fire on the Mystic Island

Escaflowne: The Movie

Death Note Relight 2: L's Successors

Mazinger Z: Infinity

Inuyasha the Movie: Affections Touching Across Time

One Piece: Chopper's Kingdom in the Strange Animal Island

Animal Crossing: The Movie

Inuyasha the Movie 2: The Castle Beyond the Looking Glass

Lupin the Third vs. Detective Conan

One Piece: Adventure of Nebulandia

Inuyasha the Movie 3: Swords of an Honorable Ruler

Case Closed: Zero the Enforcer

Detective Conan: Episode One - The Great Detective Turned Small

Yu-Gi-Oh! Bonds Beyond Time

One Piece: Stampede

Detective Conan: The Counterfeit Case of Ultra 30

One Piece: Heart of Gold

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

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

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

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

One Piece: Episode of Skypiea

One Piece: Episode of Luffy - Hand Island Adventure

Samurai X: The Motion Picture

One Piece: Dream Soccer King!

Heart and Yummie

Urotsukidōji II: Legend of the Demon Womb

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

One Piece: Jango's Dance Carnival

Ressha Sentai ToQger vs. Kyoryuger: The Movie

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

Alice in Wonderland –Dive in Wonderland–

Pokémon: Pikachu's Rescue Adventure

One Piece Episode of Alabasta Prologue

Dead Leaves

Battle Angel

A Tree of Palme

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

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

ODDTAXI in the Woods

A Wind Named Amnesia

Asura

Detective Conan vs. Kid the Phantom Thief

The Adventures of Tyrano Boy

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

Kindaichi Case Files : The Opera House Murders

Plastic Little: The Adventures of Captain Tita

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

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

One Piece: Glorious Island

One Piece: Romance Dawn Story

Grappler Baki: The Ultimate Fighter

One Piece Special: Protect! The Last Great Stage

Peacemaker Kurogane: Belief

One Piece Film Gold: Episode 0

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

TIGER & BUNNY: The Beginning

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

One Piece 3D: Gekisou! Trap Coaster

Yona Yona Penguin

Detective Conan: The Scarlet School Trip

Space Battleship Yamato Resurrection

Atashin'chi: The 3D Movie

One Piece: The Great Treasure of Tongari Island

Inferious Interplanetary War Chronicle - Condition Green

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

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

Chibi Maruko-chan: My Favorite Song

Dragon Quest - Emblem of Roto

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

Case Closed: The Fist of Blue Sapphire

Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams

Mouse Story: The Adventures of George and Gerald

The Heroic Legend of Arslan II

Chibi Maruko-chan

Pretty Cure All Stars New Stage: Friends of the Future

Ultraman Super Fighter Legend

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

Hanappe Bazooka

Butt Attack Punisher Girl Gautaman: The Birth of Gautaman

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

Super Sentai Strongest Battle Director's Cut

The Mighty Gin Rei

The Heroic Legend of Arslan

Camp Pikachu

Netrun-mon the Movie

One Piece Fan Letter

Persona4 the ANIMATION -The Factor of Hope

Noiseman Sound Insect

Nagasaki 1945 ~ The Angelus Bells

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

Dragon Knight: Wheel of Time

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

Violence Jack: Hell's Wind

Detective Conan: The 17-Year-Old Truth

Eternal Family

Bonobono: Secret of the Kumomo Tree

Detective Conan Magic File

Tottoi

Giant Robo: The Day the Earth Stood Still

Delinquent in Drag

Pokémon Mystery Dungeon: Explorers of Time & Darkness

Ranma ½: Nightmare! Incense of Spring Sleep

Magical Circle Guru Guru

Blue Memories: Boys, Colonizing Manchuria and Mongolia

A Lazy Day in Thousand Sunny
TV Shows

Atashin'chi

Hunter x Hunter

Ranma ½

InuYasha

The Ancient Magus' Bride

HANAKAPPA

Death Note

Sgt. Frog

Urusei Yatsura

Ranma1/2

Yashahime: Princess Half-Demon

Cowboy Bebop

Nadia: The Secret of Blue Water

Super Dragon Ball Heroes

Claymore

Revolutionary Girl Utena

Yu-Gi-Oh! GX

The Twelve Kingdoms

GeGeGe no Kitaro

Eyeshield 21

Tokusou Sentai Dekaranger

Ressha Sentai ToQger

Vinland Saga

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

Doubutsu Sentai Zyuohger

The Law of Ueki

RADIANT

Powerpuff Girls Z

Tensou Sentai Goseiger

Rin-ne

Zenki

Samurai Pizza Cats

Danganronpa: The Animation

Bakuage Sentai Boonboomger

Stitch!

Mobile Fighter G Gundam

Descending Stories

Baccano!

Lil' Red Riding Hood Cha-Cha

Pretty Guardian Sailor Moon

Wedding Peach

Kamikaze Kaitou Jeanne

Pecola

The Hakkenden: Legend of the Dog Warriors

Peacemaker Kurogane

Baby and Me

Kiba

Shippuu! Iron Leaguer

Miracle Girls

PreCure Splash Star

Genji Tsuushin Agedama

PERSONA 4 the Animation

B'T X

Battle Doll: Angelic Layer

Miss Shachiku and the Little Baby Ghost

Captain Tsubasa J

Our Home's Fox Deity

The Gymnastics Samurai

Red Baron

Hikonin Sentai Akibaranger

ODDTAXI

Record of Lodoss War

Train to the End of the World

One Outs

Neighborhood Story

Space Academy

Sister Princess

Hanada Shounen-shi

Yat, The Space Patrol

Flint: The Time Detective

Free Kick Toward Tomorrow

Monkey Typhoon

Jungle King Taa-chan

Magic Kaito 1412

Valkyria Chronicles

Betterman

CLAMP School Detectives

Giant Robo: The Day the Earth Stood Still

Eden's Bowy

Majikoi - Oh! Samurai Girls

Galaxy Warring State Chronicle Rai

Fancy Lala

Persona 4 The Golden Animation

Cyber Team in Akihabara

Android Kikaider

BUCCHIGIRI?!

Gravitation

Mecha-Ude: Mechanical Arms

Shadow Skill

Mechanical Marie

Magic Kaito: Kid the Phantom Thief

Neo Angelique Abyss

One Piece Log: Fish-Man Island Saga

Please Save My Earth

Ayakashi: Samurai Horror Tales

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

Ghastly Prince Enma Burning Up

Rampo Kitan: Game of Laplace

DearS

Estab-Life: Great Escape

Rizelmine

Mouse

Battle Angel

Papuwa

Devil Hunter Yohko

KO Century Beast Warriors

In Search of the Lost Future

Space Pirate Captain Herlock: Outside Legend - The Endless Odyssey

4 Week Continuous Special Super Sentai Strongest Battle!!

Doki Doki School Hours

Magi: Adventure of Sinbad

One Piece Characters Log

Here Is Greenwood

Tokyo Babylon

Makeruna!! Aku no Gundan!

Legend of the Dragon Kings

Super Zugan

Madara

Freedom

The Cockpit

Slow Step

Gigant Big-Shot Tsukasa

Step Up Love Story

Jungle de Ikou!

Fire Emblem

RG Veda

Gun Frontier

The Heroic Legend of Arslan: Age of Heroes

Sore Ike! Zukkoke Sannin-gumi

航海王:和之国总集篇

Mighty Space Miners

Go Nagai World

BEAT RUNNERS

Ayane's High Kick

Tatsuya Miyanishi Theatre: Heart and Yummie

Zetsuai 1989

GinRei

Armored Dragon Legend Villgust

The Incident

Angel's Feather

Gravitation: Lyrics of Love

Jewel BEM Hunter Lime

Dragon Slayer

Inherit the Winds

KO世紀ビースト三獣士

Teppen

La Blue Girl

Dragon Knight: Wheel of Time

Bondage Queen Kate

The Legend of Lyon: Flare

Can Can Bunny Extra

Lady Blue

Psychic Detective Miko - Phantom Hunter

1+2=Paradise

Viper GTS

Viper GTS

Dragon Knight 4: Wheel of Time

Twin Angels
More Movies

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

Gosho Aoyama’s Collection of Short Stories

Tomcat's Big Adventure

One Piece - En route vers l'épisode 1000

HANAKAPPA: Adventure in the Butterfly Kingdom

Nineteen 19

K.O. Beast

Ryokunohara Labyrinth - Sparkling Phantom

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

Kamiwaza Wanda

Trusty Ginjiro

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

Detective Conan: Black History

Coicent

Crows

Kishin Douji Zenki Gaiden: Anki Kitan

Baby Felix & Friends

One Piece: The Adventure in Grand Line

My Dread is School! Kanako Inuki Shout Collection

Devil Hunter Yohko

Tomorrow Will Be Better! Half a Sweet Potato

Stage Play 「Spooky Kitaro」

Bronze: Zetsuai Since 1989

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

Ressha Sentai ToQger Final Live Tour 2015

Planetarium HANAKAPPA: Bloom! Pop! Space Travel

Welcome to Lodoss Island!

Pichu & Pikachu's Winter Vacation 2001

ワンピース特別編 わかりやすいルフィ大百科

Pretty Guardian Sailor Moon: Act Zero

Shadow Skill: The Movie

Boyfriend

Samurider: Nazo no Tenkousei

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

Futari wa Precure Splash☆Star: Maji Doki Theater

Barefoot Gin Rei

Silent Mobius Gaiden: The End of the Edo Period

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

Neighborhood Story The Movie

Engimon

Twinbee PARADISE

Madara

Guitar wo Motta Shounen: Kikaider VS Inazuman

Desperate Love 1989

HANAKAPPA's Traffic Safety: Turn Right, Left, Right in Search of a Cake

Shadow Skill: Epilogue

VISUALIVE Persona 4

Tokyo Babylon 1

That's HANAKAPPA Musical: Bread or Rice, Which Is It!?

Tokyo Babylon 2

Appleland Story

Okaeri: Furusato no Karatsu

La Blue Girl: Climax Taizen




