Kengo Kawanishi

Kengo Kawanishi

Kengo Kawanishi (河西 健吾, Kawanishi Kengo, February 18, 1985) is a Japanese male voice actor. He was born in Osaka and his blood type is A. He was formerly affiliated with Office Kaoru, but is now affliated with Mause Promotion. He debuted as a voice actor in 2006. In June 2010, he dubbed Sterling Knight for the first time as Christopher in "Starstruck", and in October 2015, he starred for the first time in the anime series "Mobile Suit Gundam: Iron-Blooded Orphans" in the role of Augustus. Chika Umino, the original author of "March Comes In Like a Lion," described him as "a shining dark voice."

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Known For

Batman Ninja vs. Yakuza League

Batman Ninja vs. Yakuza League

2025 • as Red Robin (voice)

JoJo's Bizarre Adventure

JoJo's Bizarre Adventure

2012 • as Terunosuke Miyamoto (voice)

Re:ZERO -Starting Life in Another World-

Re:ZERO -Starting Life in Another World-

2016 • as Lye Batenkaitos (voice)

Re:ZERO -Starting Life in Another World-

Re:ZERO -Starting Life in Another World-

2016 • as Roy Alphard (voice)

Re:ZERO -Starting Life in Another World-

Re:ZERO -Starting Life in Another World-

2016 • as Lye Batenkaitos / Roy Alphard (voice)

WIND BREAKER

WIND BREAKER

2024 • as Taiga Tsugeura (voice)

Filmography

2025

Batman Ninja vs. Yakuza League
Batman Ninja vs. Yakuza League
as Red Robin (voice)
Movie - Released: 3/17/2025
Demon Slayer: Kimetsu no Yaiba Infinity Castle
Demon Slayer: Kimetsu no Yaiba Infinity Castle
as Muichiro Tokito (voice)
Movie - Released: 7/18/2025
Kaiju No. 8: Mission Recon
Kaiju No. 8: Mission Recon
as Soshiro Hoshina (voice)
Movie - Released: 3/28/2025
Headhunted to Another World: From Salaryman to Big Four!
Headhunted to Another World: From Salaryman to Big Four!
as Viper (voice)
TV - Released: 1/1/2025
KOWLOON GENERIC ROMANCE
KOWLOON GENERIC ROMANCE
as Yūlong (voice)
TV - Released: 4/5/2025

2024

Demon Slayer: Kimetsu no Yaiba -To the Hashira Training-
Demon Slayer: Kimetsu no Yaiba -To the Hashira Training-
as Muichiro Tokito (voice)
Movie - Released: 2/2/2024
Dead Dead Demon's Dededede Destruction Part 2
Dead Dead Demon's Dededede Destruction Part 2
as Tarō Miura (voice)
Movie - Released: 5/24/2024
Movie
Demon Slayer: Kimetsu no Yaiba ON STAGE Swordsmith Village Arc
as Muichiro Tokito
Movie - Released: 3/18/2024
Dead Dead Demon's Dededede Destruction Part 1
Dead Dead Demon's Dededede Destruction Part 1
as Tarô Miura (voice)
Movie - Released: 3/22/2024
Murai in Love
Murai in Love
as Chisato Murai
Movie - Released: 9/4/2024
Zegapain: STA
Zegapain: STA
as Hal Welt (voice)
Movie - Released: 8/16/2024
Kaiju No. 8
Kaiju No. 8
as Soshiro Hoshina (voice)
TV - Released: 4/13/2024
Oblivion Battery
Oblivion Battery
as Shuto Kirishima (voice)
TV - Released: 4/10/2024
Acro Trip
Acro Trip
as Mashirou (voice)
TV - Released: 10/2/2024
YATAGARASU: The Raven Does Not Choose Its Master
YATAGARASU: The Raven Does Not Choose Its Master
as Atsufusa (voice)
TV - Released: 4/6/2024
DEAD DEAD DEMONS DEDEDEDE DESTRUCTION
DEAD DEAD DEMONS DEDEDEDE DESTRUCTION
as Taro Miura (voice)
TV - Released: 5/30/2024
Blue Box
Blue Box
as Shoichiro Kishi (voice)
TV - Released: 10/3/2024
WIND BREAKER
WIND BREAKER
as Taiga Tsugeura (voice)
TV - Released: 4/5/2024

2023

Neko to Wakai se na
Neko to Wakai se na
as Yuuki (voice)
Movie - Released: 3/22/2023
Demon Slayer: Kimetsu no Yaiba ON STAGE
Demon Slayer: Kimetsu no Yaiba ON STAGE
as Self
Movie - Released: 7/18/2023
Demon Slayer: Kimetsu no Yaiba -To the Swordsmith Village-
Demon Slayer: Kimetsu no Yaiba -To the Swordsmith Village-
as Muichiro Tokito (voice)
Movie - Released: 2/3/2023
OVERTAKE!
OVERTAKE!
as Satsuki Harunaga (voice)
TV - Released: 10/1/2023
Yakitori: Soldiers of Misfortune
Yakitori: Soldiers of Misfortune
as Erland Martonen (voice)
TV - Released: 5/18/2023
My Clueless First Friend
My Clueless First Friend
as Daichi Hino (voice)
TV - Released: 4/9/2023
My Daemon
My Daemon
as Iori Kusanagi (voice)
TV - Released: 11/23/2023
Kubo Won't Let Me Be Invisible
Kubo Won't Let Me Be Invisible
as Junta Shiraishi (voice)
TV - Released: 1/10/2023

2022

Toku: Touken Ranbu: Hanamaru ~Setsugetsuka~ Tsuki no Maki
Toku: Touken Ranbu: Hanamaru ~Setsugetsuka~ Tsuki no Maki
as 南泉一文字
Movie - Released: 7/8/2022
Blue Thermal
Blue Thermal
as Kaede Hatori (voice)
Movie - Released: 3/4/2022
The Genius Prince's Guide to Raising a Nation Out of Debt
The Genius Prince's Guide to Raising a Nation Out of Debt
as Manfred Earthwold (voice)
TV - Released: 1/11/2022
BLUE LOCK
BLUE LOCK
as Eita Otoya (voice)
TV - Released: 10/9/2022
Skeleton Knight in Another World
Skeleton Knight in Another World
as Sekt (voice)
TV - Released: 4/7/2022
Chainsaw Man
Chainsaw Man
as Kurose (voice)
TV - Released: 10/12/2022
Caressing My Hibernating Bear
Caressing My Hibernating Bear
as Kou (voice)
TV - Released: 7/4/2022

2021

Demon Slayer: Kimetsu no Yaiba – The Hashira Meeting Arc
Demon Slayer: Kimetsu no Yaiba – The Hashira Meeting Arc
as Muichiro Tokito (voice)
Movie - Released: 12/1/2021
Mushoku Tensei: Jobless Reincarnation
Mushoku Tensei: Jobless Reincarnation
as Almanfi (voice)
TV - Released: 1/11/2021
Tokyo Revengers
Tokyo Revengers
as Nahoya Kawata (voice)
TV - Released: 4/11/2021
Joran: The Princess of Snow and Blood
Joran: The Princess of Snow and Blood
as (voice)
TV - Released: 3/31/2021
Joran: The Princess of Snow and Blood
Joran: The Princess of Snow and Blood
as Takeru Karasumori (voice)
TV - Released: 3/31/2021
Higehiro: After Being Rejected, I Shaved and Took in a High School Runaway
Higehiro: After Being Rejected, I Shaved and Took in a High School Runaway
as Endō (voice)
TV - Released: 4/5/2021
Blue Period
Blue Period
as Haruka Hashida (voice)
TV - Released: 10/2/2021
Scarlet Nexus
Scarlet Nexus
as Shiden Ritter (voice)
TV - Released: 7/1/2021
The Case Study of Vanitas
The Case Study of Vanitas
as Roland (voice)
TV - Released: 7/3/2021

2020

Josee, the Tiger and the Fish
Josee, the Tiger and the Fish
as Yukichi (voice)
Movie - Released: 12/25/2020
The Misfit of Demon King Academy
The Misfit of Demon King Academy
as Nihid (voice)
TV - Released: 7/4/2020
number24
number24
as Natsusa Yuzuki (voice)
TV - Released: 1/8/2020
King's Raid: Successors of the Will
King's Raid: Successors of the Will
as Roi (voice)
TV - Released: 10/3/2020
Tower of God
Tower of God
as Prince (voice)
TV - Released: 4/2/2020
The Gymnastics Samurai
The Gymnastics Samurai
as Hiroshi Okamachi (voice)
TV - Released: 10/11/2020
Wandering Witch: The Journey of Elaina
Wandering Witch: The Journey of Elaina
as Chara (voice)
TV - Released: 10/2/2020

2019

NAMUAMIDABUTSU! -UTENA-
NAMUAMIDABUTSU! -UTENA-
as 不動明王
TV - Released: 4/8/2019
Kaguya-sama: Love Is War
Kaguya-sama: Love Is War
as Kō Ogino (voice)
TV - Released: 1/12/2019
Ultramarine Magmell
Ultramarine Magmell
as Inyou
TV - Released: 4/7/2019
Cautious Hero: The Hero Is Overpowered but Overly Cautious
Cautious Hero: The Hero Is Overpowered but Overly Cautious
as Mash (voice)
TV - Released: 10/2/2019
Fruits Basket
Fruits Basket
as Ritsu Sōma (voice)
TV - Released: 4/6/2019
Demon Slayer: Kimetsu no Yaiba
Demon Slayer: Kimetsu no Yaiba
as Yuichiro Tokito (voice)
TV - Released: 4/6/2019
Demon Slayer: Kimetsu no Yaiba
Demon Slayer: Kimetsu no Yaiba
as Muichiro Tokito (voice)
TV - Released: 4/6/2019
Amazing Stranger
Amazing Stranger
as Seijirou Kanmuri (voice)
TV - Released: 4/6/2019
Dr. STONE
Dr. STONE
as Asagiri Gen (voice)
TV - Released: 7/5/2019
Ahiru no Sora
Ahiru no Sora
as Hasebe (voice)
TV - Released: 10/1/2019

2018

Batman Ninja
Batman Ninja
as Red Robin / Tim Drake (voice)
Movie - Released: 6/15/2018
That Time I Got Reincarnated as a Slime
That Time I Got Reincarnated as a Slime
as Gelmud (voice)
TV - Released: 10/2/2018
Bloom Into You
Bloom Into You
as Hiro-kun (voice)
TV - Released: 10/5/2018
DOREIKU The Animation
DOREIKU The Animation
as Itabashi Gekkou (Voice)
TV - Released: 4/13/2018
Run with the Wind
Run with the Wind
as Kousuke Sakaki (voice)
TV - Released: 10/3/2018
Hinamatsuri
Hinamatsuri
as Sabu (voice)
TV - Released: 4/6/2018
Jingai-san no Yome
Jingai-san no Yome
as Hikurakawa Sora
TV - Released: 10/3/2018
Mr. TONEGAWA Middle Management Blues
Mr. TONEGAWA Middle Management Blues
as Jun'ichi Hagio (voice)
TV - Released: 7/4/2018
Voice of Fox
Voice of Fox
as Hu Li (voice)
TV - Released: 10/5/2018

2017

Akiba's Trip The Animation
Akiba's Trip The Animation
as Shouhei (voice)
TV - Released: 1/4/2017
Atom: The Beginning
Atom: The Beginning
as Shunsaku Ban (voice)
TV - Released: 4/15/2017
Kabukibu!
Kabukibu!
TV - Released: 4/7/2017

2016

Monster Strike The Movie: To The Place of Beginnings
Monster Strike The Movie: To The Place of Beginnings
as Akira Kagetsuki (voice)
Movie - Released: 12/10/2016
March Comes In Like a Lion
March Comes In Like a Lion
as Rei Kiriyama (voice)
TV - Released: 10/8/2016
BBK/BRNK
BBK/BRNK
as Maxim Arsenyevich Balakirev (voice)
TV - Released: 1/9/2016
Bungo Stray Dogs
Bungo Stray Dogs
as John Steinbeck
TV - Released: 4/7/2016
ALL OUT!!
ALL OUT!!
as Shota Adachigahara (voice)
TV - Released: 10/7/2016
Re:ZERO -Starting Life in Another World-
Re:ZERO -Starting Life in Another World-
as Lye Batenkaitos (voice)
TV - Released: 4/4/2016
Re:ZERO -Starting Life in Another World-
Re:ZERO -Starting Life in Another World-
as Roy Alphard (voice)
TV - Released: 4/4/2016
Re:ZERO -Starting Life in Another World-
Re:ZERO -Starting Life in Another World-
as Lye Batenkaitos / Roy Alphard (voice)
TV - Released: 4/4/2016

2015

Code Geass: Akito the Exiled 4: Memories of Hatred
Code Geass: Akito the Exiled 4: Memories of Hatred
as (voice)
Movie - Released: 7/4/2015
The Anthem of the Heart
The Anthem of the Heart
as Kazuharu Yamaji (voice)
Movie - Released: 9/19/2015
Boruto: Naruto the Movie
Boruto: Naruto the Movie
as Yurui (voice)
Movie - Released: 8/7/2015
Is It Wrong to Try to Pick Up Girls in a Dungeon?
Is It Wrong to Try to Pick Up Girls in a Dungeon?
as Ibri Achaa (voice)
TV - Released: 4/4/2015
Gate
Gate
as Young Man (voice)
TV - Released: 7/4/2015
Charlotte
Charlotte
as Shichino (voice)
TV - Released: 7/5/2015
Mobile Suit Gundam: Iron-Blooded Orphans
Mobile Suit Gundam: Iron-Blooded Orphans
as Mikazuki Augus (voice)
TV - Released: 10/4/2015
Food Wars! Shokugeki no Soma
Food Wars! Shokugeki no Soma
as Shoji Sato
TV - Released: 4/4/2015
My Love Story!!
My Love Story!!
as Class 3 Boy A (voice)
TV - Released: 4/9/2015
Sound! Euphonium
Sound! Euphonium
as Concert Band Member (voice)
TV - Released: 4/8/2015

2014

Haikyu!!
Haikyu!!
as Kitagawa Daiichi Member A (voice)
TV - Released: 4/6/2014
Haikyu!!
Haikyu!!
as Shigeru Yahaba (voice)
TV - Released: 4/6/2014
Haikyu!!
Haikyu!!
as Student from Other School (voice)
TV - Released: 4/6/2014
Haikyu!!
Haikyu!!
as Volleyball Player from Other School (voice)
TV - Released: 4/6/2014
No Game No Life
No Game No Life
as Masses (voice)
TV - Released: 4/9/2014
Knights of Sidonia
Knights of Sidonia
as Mechanic (voice)
TV - Released: 4/11/2014
The Irregular at Magic High School
The Irregular at Magic High School
as Raymond Sage Clark (voice)
TV - Released: 4/6/2014
Monthly Girls' Nozaki-kun
Monthly Girls' Nozaki-kun
as Male Student (voice)
TV - Released: 7/7/2014
Aldnoah.Zero
Aldnoah.Zero
as Kisaki Matsuribi (voice)
TV - Released: 7/5/2014

2013

Puella Magi Madoka Magica the Movie Part III: Rebellion
Puella Magi Madoka Magica the Movie Part III: Rebellion
as School Boy (voice)
Movie - Released: 10/26/2013
Ace of Diamond
Ace of Diamond
as Wataru Kariba (voice)
TV - Released: 10/6/2013
Strike the Blood
Strike the Blood
as Driver (voice)
TV - Released: 10/4/2013
Strike the Blood
Strike the Blood
as Anchor (voice)
TV - Released: 10/4/2013
Strike the Blood
Strike the Blood
as Island Guard (voice)
TV - Released: 10/4/2013
Golden Time
Golden Time
as Male student (voice)
TV - Released: 10/3/2013
Golden Time
Golden Time
as Senior (voice)
TV - Released: 10/3/2013
Golden Time
Golden Time
as Kazuya (voice)
TV - Released: 10/3/2013
Nagi-Asu: A Lull in the Sea
Nagi-Asu: A Lull in the Sea
as Gaku Egawa (voice)
TV - Released: 10/3/2013

2012

Another
Another
as Junta Nakao (voice)
TV - Released: 1/10/2012
JoJo's Bizarre Adventure
JoJo's Bizarre Adventure
as Terunosuke Miyamoto (voice)
TV - Released: 10/6/2012

2011

Naruto Shippuden the Movie: Blood Prison
Naruto Shippuden the Movie: Blood Prison
as Muku (young) (voice)
Movie - Released: 7/30/2011
Deadman Wonderland
Deadman Wonderland
as Matayoshi (voice)
TV - Released: 4/17/2011

2006

Kanon
Kanon
as Audience (voice)
TV - Released: 10/6/2006