Kappei Yamaguchi
Mitsuo Yamaguchi , known professionally as Kappei Yamaguchi , is a Japanese actor, voice actor, and rakugoka affiliated with Gokū and 21st Century Fox. After making his voice acting debut in 1989 as the male version of Ranma Saotome in Ranma ½, Yamaguchi went on to other notable roles, including Inuyasha in Inuyasha and its sequel Yashahime, and L in Death Note. He currently voices Shinichi Kudo and Kaito Kid in Case Closed, Usopp in One Piece and Teddie in Persona 4. He is married and has a son, Ryunosuke, and a daughter, Akane. Ryunosuke and Akane are also voice actors, while the latter is also a rakugoka.
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🎬 Movies
Assassination Classroom the Movie: Our Time
actor
2026
Gintama: Yoshiwara in Flames
actor
2026
Detective Conan: The 17-Year-Old Truth
actor
2025
Alice in Wonderland –Dive in Wonderland–
actor
2025
Detective Conan: One-Eyed Flashback
actor
2025
『ONE PIECE』魚人島編
actor
2024
Detective Conan: The Million-Dollar Pentagram
actor
2024
Detective Conan vs. Kid the Phantom Thief
actor
2024
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
actor
2023
One Piece Film Red
actor
2022
Detective Conan: The Bride of Halloween
actor
2022
ODDTAXI in the Woods
actor
2022
Detective Conan: The Scarlet Bullet
actor
2021
Detective Conan: The Scarlet School Trip
actor
2019
Chibi Maruko-chan
actor
2019
Case Closed: The Fist of Blue Sapphire
actor
2019
One Piece: Stampede
actor
2019
One Piece: Episode of Skypiea
actor
2018
Peacemaker Kurogane: Belief
actor
2018
Case Closed: Zero the Enforcer
actor
2018
Engimon
actor
2018
One Piece Episode of East Blue
actor
2017
Case Closed: The Crimson Love Letter
actor
2017
Kamiwaza Wanda
actor
2017
Detective Conan: Episode One - The Great Detective Turned Small
actor
2017
One Piece: Heart of Gold
actor
2016
One Piece: The Great Treasure of Tongari Island
actor
2016
One Piece Film: GOLD
actor
2016
One Piece Film Gold: Episode 0
actor
2016
Detective Conan: The Darkest Nightmare
actor
2016
Shuriken Sentai Ninninger vs. ToQger the Movie: Ninjas in Wonderland
actor
2016
One Piece: Adventure of Nebulandia
actor
2015
One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will
actor
2015
The Boy and the Beast
actor
2015
Ressha Sentai ToQger Final Live Tour 2015
actor
2015
Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams
actor
2015
The Adventures of Tyrano Boy
actor
2015
Detective Conan: Sunflowers of Inferno
actor
2015
Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
actor
2015
One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends
actor
2014
Tomcat's Big Adventure
actor
2014
Ressha Sentai ToQger DVD Special: Farewell, Ticket! The Wasteland Super ToQ Battle!
actor
2014
Ressha Sentai ToQger The Movie: Galaxy Line S.O.S.
actor
2014
Detective Conan: Dimensional Sniper
actor
2014
Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special
actor
2014
One Piece Episode of Merry: The Tale of One More Friend
actor
2013
Lupin the Third vs. Detective Conan: The Movie
actor
2013
Detective Conan: Private Eye in the Distant Sea
actor
2013