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… Read more
Known for One Piece 1999 Death Note 2006 Kiki's Delivery Service 1989 JUJUTSU KAISEN 2020 Series ★ 8.3 B'T X 1996
Camilla (voice) Series ★ 8.2 Samurai Pizza Cats 1990
Yattarou ★ 8.1 Heart and Yummie 2010
Heart (voice) ★ 7.8 Detective Conan: The Phantom of Baker Street 2002
Shinichi Kudo (voice) ★ 7.9 Ranma 1/2 the Movie 2: Nihao My Concubine 1992
Ranma Saotome ♂ (voice) Series ★ 8 Zenki 1995
Zenki (voice) Series ★ 8.1 Revolutionary Girl Utena 1997
Shiori's boyfriend (voice) Series ★ 8 Captain Tsubasa J 1994
Ryou Ishizaki (voice) Series ★ 8.3 One Outs 2008
Satoshi Ideguchi (voice) ★ 7.7 Inuyasha the Movie 2: The Castle Beyond the Looking Glass 2002
Inuyasha (voice) ★ 7.7 Inuyasha the Movie 3: Swords of an Honorable Ruler 2003
Inuyasha (voice) Series ★ 8 Descending Stories 2016
Amaken (voice) ★ 8.8 Gintama the Movie 2026: Yoshiwara in Flames 2026
Inorin (voice) ★ 7.6 One Piece: Adventure of Nebulandia 2015
Usopp (voice) ★ 7.7 Ranma 1/2: Team Ranma vs. the Legendary Phoenix 1994
Ranma Saotome ♂ (voice) ★ 7.6 Inuyasha the Movie 4: Fire on the Mystic Island 2004
Inuyasha (voice) Series ★ 7.8 The Twelve Kingdoms 2002
Rokuta (voice) ★ 7.7 One Piece Episode of East Blue 2017
Usopp (voice) ★ 7.5 Death Note Relight 2: L's Successors 2009
L (voice) ★ 7.5 Inuyasha the Movie: Affections Touching Across Time 2001
Inuyasha (voice) Series ★ 7.5 BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense. 2020
Shin (voice) Series ★ 7.9 Magic Kaito 1412 2014
Kaito Kuroba / Shinichi Kudo (voice) Series ★ 7.6 Record of Lodoss War 1990
Etoh (voice) Series ★ 8 Red Baron 1994
Ken Kurenai Series ★ 7.7 The Law of Ueki 2005
Hideyoshi Soya (voice) ★ 7.4 Detective Conan: The Time Bombed Skyscraper 1997
Shinichi Kudo (voice) Series ★ 7.8 The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm 2021
Oberon (voice) ★ 7.6 Detective Conan: Episode One - The Great Detective Turned Small 2017
Shinichi Kudo (voice) ★ 7.4 Detective Conan: Captured in Her Eyes 2000
Shinichi Kudo (voice) ★ 7.4 Case Closed: Countdown to Heaven 2001
Shinichi Kudo (voice) Series ★ 7.5 PERSONA 4 the Animation 2011
Teddie (voice) Series ★ 7.6 Mobile Fighter G Gundam 1994
Sai Saici (voice) ★ 7.4 One Piece: Heart of Gold 2016
Usopp (voice) Series ★ 7.4 Nadia: The Secret of Blue Water 1990
Hamahama (voice) Series ★ 7.4 BUCCHIGIRI?! 2024
Komao (voice) ★ 7.3 Ranma 1/2 the Movie: Big Trouble in Nekonron, China 1991
Ranma Saotome ♂ (voice) ★ 7.3 Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!! 2013
Usopp (voice) ★ 7.3 Detective Conan: The Raven Chaser 2009
Shinichi Kudo (voice) Series ★ 7.3 Ayakashi: Samurai Horror Tales 2006
Kaikaimaru (voice) ★ 7.3 One Piece Special: Protect! The Last Great Stage 2003
Usopp (voice) ★ 7.3 Detective Conan: The Last Wizard of the Century 1999
Shinichi Kudo / Kaito Kuroba (voice) Series ★ 7.3 Kamikaze Kaitou Jeanne 1999
Noin Claude ★ 7.3 Samurai X: The Motion Picture 1997
Yasuharu Musashino Series ★ 7.3 Battle Angel 1993
Yugo (voice) Series ★ 7.2 Magi: Adventure of Sinbad 2014
Valefor (voice) Series ★ 7.1 Wedding Peach 1995
Takuro Amano Series ★ 7.1 GeGeGe no Kitaro 2018
Ittan Momen ★ 7 A Tree of Palme 2002
Roualt (voice) ★ 7 One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy 2005
Usopp (voice) ★ 7.2 Asura 2012
Kotarou (voice) ★ 7.1 Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History 2015
Shinichi Kudo (voice) Series ★ 7 Train to the End of the World 2024
Shizuru's father (voice) Series ★ 7 Sgt. Frog 2004
Tororo Series ★ 7.2 RADIANT 2018
Master Lord Majesty (voice) ★ 7.1 One Piece Episode of Merry: The Tale of One More Friend 2013
Usopp (voice) ★ 6.8 Noiseman Sound Insect 1997
Manabu (voice) ★ 6.8 One Piece 3D: Gekisou! Trap Coaster 2011
Usopp (voice) ★ 6.7 Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train 2023
Kaito Kuroba (voice) ★ 7.2 Case Closed: The Fourteenth Target 1998
Shinichi Kudo (voice) ★ 7 One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will 2015
Usopp (voice) ★ 7.2 One Piece: Baron Omatsuri and the Secret Island 2005
Usopp (voice) ★ 7 One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends 2012
Usopp (voice) ★ 7.1 One Piece: Episode of Skypiea 2018
Usopp (voice) ★ 6.9 One Piece: Jango's Dance Carnival 2001
Usopp (voice) ★ 6.4 TIGER & BUNNY: The Beginning 2012
Robin Baxter (voice) ★ 7.1 Dead Leaves 2004
Retro (voice) ★ 7.1 Detective Conan: Black Iron Submarine 2023
Shinichi Kudou (voice) ★ 7.1 Detective Conan: The Lost Ship in the Sky 2010
Shinichi Kudo / Kaito Kid (voice) ★ 6.5 One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream! 2003
Usopp (voice) ★ 7.1 Detective Conan: Quarter of Silence 2011
Shinichi Kudo (voice) Series ★ 6.3 The Gymnastics Samurai 2020
Bigbird Aragaki (voice) ★ 7.1 Detective Conan: The Private Eyes' Requiem 2006
Shinichi Kudo (voice) / Kaito Kuroba (voice) ★ 7.1 Detective Conan: Crossroad in the Ancient Capital 2003
Shinichi Kudo (voice) ★ 7.1 One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends 2014
Usopp (voice) ★ 7.1 Hunter x Hunter: Phantom Rouge 2013
Feitan (voice) ★ 6.9 Detective Conan: The Million-Dollar Pentagram 2024
Kaito Kid / Shinichi Kudou (voice) ★ 6.6 One Piece: Dream Soccer King! 2002
Usopp (voice) ★ 6.7 Grappler Baki: The Ultimate Fighter 1994
Baki Hanma ★ 6.8 Animal Crossing: The Movie 2006
Fûta (voice) ★ 6 Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel 2000
Usopp (voice) ★ 7 One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom 2008
Usopp (voice) ★ 6.7 One Piece: Episode of Luffy - Hand Island Adventure 2012
Usopp (voice) ★ 7 Detective Conan: Magician of the Silver Sky 2004
Kaito Kid / Shinichi Kudou (voice) ★ 7 One Piece: Dead End Adventure 2003
Usopp (voice) Series ★ 6.2 DearS 2004
Hikorou Oikawa (voice) ★ 6.9 Lupin the Third vs. Detective Conan 2009
Shinichi Kudo (voice) ★ 6.9 Detective Conan: Strategy Above the Depths 2005
Shinichi Kudou (voice) ★ 6.9 Detective Conan: Full Score of Fear 2008
Shinichi Kudo (voice) ★ 6.9 One Piece: The Desert Princess and the Pirates: Adventure in Alabasta 2007
Usopp / Lashes (voice) ★ 6.1 One Piece: Romance Dawn Story 2008
Usopp (voice) ★ 6.3 Pokémon: Pikachu's Rescue Adventure 1999
Parasect (voice) ★ 5.8 Urotsukidōji II: Legend of the Demon Womb 1991
Young Munchausen II (voice) ★ 6.8 Detective Conan: The Darkest Nightmare 2016
Shinichi Kudo (voice) Series ★ 5.9 Majikoi - Oh! Samurai Girls 2011
Ikuro Fukumoto (voice) ★ 6.9 One Piece: Giant Mecha Soldier of Karakuri Castle 2006
Usopp (voice) ★ 7 One Piece: The Movie 2000
Usopp (voice) ★ 5.7 Plastic Little: The Adventures of Captain Tita 1994
Nicole (voice) ★ 6.8 Detective Conan: Dimensional Sniper 2014
Shinichi Kudo (voice) ★ 6.8 Detective Conan: The Eleventh Striker 2012
Shinichi Kudo (voice) ★ 6.8 Lupin the Third vs. Detective Conan: The Movie 2013
Shinichi Kudo / Kaito Kuroba (voice) ★ 6.7 Escaflowne: The Movie 2000
Shesta (voice) ★ 6.8 Battle Angel 1993
Yūgo (voice) ★ 6.8 One Piece: Curse of the Sacred Sword 2004
Usopp (voice) ★ 6.7 One Piece Mugiwara Chase 2011
Usopp (voice) ★ 6.6 Detective Conan: Private Eye in the Distant Sea 2013
Shinichi Kudo (voice) ★ 6.5 Detective Conan: The Scarlet Bullet 2021
Shinichi Kudo (voice) ★ 6.6 Yu-Gi-Oh! Bonds Beyond Time 2010
Daitokuji (voice) ★ 6.5 Detective Conan: The Bride of Halloween 2022
Shinichi Kudo (voice) ★ 6 A Wind Named Amnesia 1990
Johnny (voice) ★ 6.8 One Piece: Clockwork Island Adventure 2001
Usopp (voice) ★ 6.5 Case Closed: The Crimson Love Letter 2017
Shinichi Kudo (voice) ★ 6.7 One Piece: Chopper's Kingdom in the Strange Animal Island 2002
Usopp (voice) ★ 6.5 Detective Conan: Jolly Roger in the Deep Azure 2007
Shin'ichi Kudo (voice) ★ 6.2 Detective Conan: Sunflowers of Inferno 2015
Shinichi Kudo / Kaitou Kid (voice) ★ 6.2 Case Closed: Zero the Enforcer 2018
Shinichi Kudo / Kaito Kid (voice) ★ 6.2 Case Closed: The Fist of Blue Sapphire 2019
Shinichi Kudo / Kaito Kuroba (voice) Start from another title 
