Usopp

Kappei Yamaguchi

Japanese voice actor
70 characters143 anime

Quick answer — Kappei Yamaguchi voices Usopp in ONE PIECE, Satoshi Ideguchi in One Outs, Ranma Saotome in Ranma1/2 (2024) and 67 more characters.

Characters voiced by Kappei Yamaguchi

Usopp
Usopp
ONE PIECE
Satoshi Ideguchi
Satoshi Ideguchi
One Outs
Ranma Saotome
Ranma Saotome
Ranma1/2 (2024)
Inuyasha
Inuyasha
InuYasha
Daisaku Kusama
Daisaku Kusama
Giant Robo the Animation: The Day the Earth Stood Still
Tarou Raimon
Tarou Raimon
Eyeshield 21
L Lawliet
L Lawliet
Death Note: Relight
Sai Saici
Sai Saici
Mobile Fighter G Gundam
Hideyoshi Soya
Hideyoshi Soya
The Law of Ueki
Kuma
Kuma
Persona 4 the Animation
Bismark
Bismark
Freedom
Hifumi Yamada
Hifumi Yamada
Danganronpa: The Animation
Retro
Retro
Dead Leaves
Haruhiko Kazama
Haruhiko Kazama
Please Save My Earth
Yugo
Yugo
Battle Angel Alita
Feitan Portor
Feitan Portor
Hunter x Hunter (2011)
Eiji Kakihana
Eiji Kakihana
ODDTAXI
Amaken
Amaken
Showa Genroku Rakugo Shinju
Shigekiyo Yanguu
Shigekiyo Yanguu
JoJo's Bizarre Adventure: Diamond is Unbreakable
Jin
Jin
Yu Yu Hakusho: Ghostfiles
Yo-Yo Ma
Yo-Yo Ma
JoJo's Bizarre Adventure: STONE OCEAN Part 2
Kaito Kuroba
Kaito Kuroba
Detective Conan
Makunouchi
Makunouchi
Go For It, Nakamura-kun!!
Tick Jefferson
Tick Jefferson
Baccano!
Tombo Kopoli
Tombo Kopoli
Kiki's Delivery Service
Forever
Forever
JoJo's Bizarre Adventure: Stardust Crusaders
Jiroumaru
Jiroumaru
The Boy and the Beast
Hikaru Kagemori
Hikaru Kagemori
Daemons of the Shadow Realm
Oberon
Oberon
The Ancient Magus' Bride
Tsutomu Yamaguchi
Tsutomu Yamaguchi
Paradise Kiss
Enki
Enki
The Twelve Kingdoms
Manjarou
Manjarou
One Piece Log: Fish-Man Island Saga
Valefor
Valefor
Magi: Adventure of Sinbad
Dogura
Dogura
One Piece - Episode of Sabo: Bond of Three Brothers - A Miraculous Reunion and an Inherited Will
Shin
Shin
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
Tororo
Tororo
Sgt. Frog
Chesta
Chesta
Vision of Escaflowne
Cheshire Cat
Cheshire Cat
PandoraHearts
Claude Noin
Claude Noin
Kamikaze Kaitou Jeanne
Etoh
Etoh
Record of Lodoss War
Julio
Julio
Garo: The Animation
Osamu Suzuki
Osamu Suzuki
Aura
Ryou Misaki
Ryou Misaki
Angelic Layer
Bigbird Aragaki
Bigbird Aragaki
The Gymnastics Samurai
Daitokuji
Daitokuji
Yu-Gi-Oh! 3D: Bonds Beyond Time
Fuuta
Fuuta
Doubutsu no Mori
Kaikaimaru
Kaikaimaru
Ayakashi: Samurai Horror Tales
Hideyoshi Kinoshita
Hideyoshi Kinoshita
Ninja Girl & Samurai Master
Hugh
Hugh
KIBA
Sabato Rokudou
Sabato Rokudou
Rin-ne 2
Shinpachi Nagakura
Shinpachi Nagakura
Peacemaker
Yakumo Kagami
Yakumo Kagami
Mecha Ude: Mechanical Arms
C
Carl Ojisan
Mechanical Marie
Ittan Momen
Ittan Momen
GeGeGe no Kitaro
Lacospo
Lacospo
To Love Ru
Master Lord Majesty
Master Lord Majesty
RADIANT
Michael Parker
Michael Parker
Beyblade
Wataru Itabashi
Wataru Itabashi
D.C.II: Da Capo II
Houzi
Houzi
Hitori no Shita - The Outcast
Komao Sakigake
Komao Sakigake
BUCCHIGIRI?!

🎵 Music from ONE PIECE FAN LETTER

OP
【オープニング映像】TV アニメ『ONE PIECE』25 周年記念作品「ONE PIECE FAN LETTER」/主題歌「ウィーゴー!」歌：麦わらの一味
ED1
We go! ~Mugiwara no Ichimi ver.~

🎵 Music from Hunter x Hunter (2011)

OP
Hunter X Hunter Opening 1 | Departure!
ED
Hunter X Hunter Ending 2 | Hunting For Your Dream by Galneryus

🎵 Music from ONE PIECE

OP1
We Are!
ED1
memories

🎵 Music from Descending Stories: Showa Genroku Rakugo Shinju

OP1
Imawa no Shinigami
ED1
Hikobayuru

Frequently Asked Questions

What characters does Kappei Yamaguchi voice?

Kappei Yamaguchi voices Usopp (ONE PIECE), Satoshi Ideguchi (One Outs), Ranma Saotome (Ranma1/2 (2024)), Inuyasha (InuYasha), Daisaku Kusama (Giant Robo the Animation: The Day the Earth Stood Still), Tarou Raimon (Eyeshield 21), L Lawliet (Death Note: Relight), Sai Saici (Mobile Fighter G Gundam) and 62 more.

Who voices Usopp in ONE PIECE?

Usopp is voiced in Japanese by Kappei Yamaguchi.