Yamada Asaemon Shion, the blind swordsman and former executioner from Hell’s Paradise: Jigokuraku, is voiced by Chikahiro Kobayashi in Japanese and Sean Letourneau in the English dub. Both actors bring wisdom, emotional depth, and intimidating strength to Shion’s calm but powerful presence throughout the series. (behindthevoiceactors.com)
Japanese Voice Actor: Chikahiro Kobayashi
Chikahiro Kobayashi voices Yamada Asaemon Shion in the Japanese version of Hell’s Paradise. His calm and emotionally grounded performance perfectly captures Shion’s maturity, discipline, and hidden emotional pain. (behindthevoiceactors.com)
Date of Birth
September 5, 1983
About Chikahiro
Chikahiro Kobayashi is a Japanese voice actor affiliated with Office Osawa. Since gaining recognition in the late 2010s, he has become known for portraying mature protagonists, rugged antiheroes, and emotionally layered warriors across anime and games.
His portrayal of Yamada Asaemon Shion has been praised for balancing stoic calmness with emotional warmth and mentor-like wisdom. Kobayashi’s deep and composed delivery gives Shion an authoritative presence while still conveying compassion toward his allies.
He is also widely recognized for portraying hardened survivors and experienced fighters in action-heavy anime.
Hometown
Kanagawa Prefecture, Japan
Career Highlights
- Yamada Asaemon Shion — Hell’s Paradise
- Legoshi — BEASTARS
- Saichi Sugimoto — Golden Kamuy
- Langa’s supporting cast roles — SK8 the Infinity
- Joe — Megalo Box 2: Nomad supporting media
- Additional Roles — Jujutsu Kaisen
- Additional Roles — Blue Lock
- Voice work in action and fantasy game projects
Full Current Filmography
The following list reflects documented major anime voice roles from publicly available sources and may not be exhaustive.
Television Anime
- Hell’s Paradise — Yamada Asaemon Shion
- BEASTARS — Legoshi
- Golden Kamuy — Saichi Sugimoto
- Great Pretender — Supporting Roles
- Jujutsu Kaisen — Additional Characters
- Blue Lock — Additional Voices
- Dr. Stone — Supporting Roles
- Vinland Saga — Additional Characters
- Baki Hanma — Supporting Roles
- The Eminence in Shadow — Additional Voices
Anime Films
- Hell’s Paradise promotional projects — Shion
- BEASTARS related projects — Legoshi
- Golden Kamuy related media — Saichi Sugimoto
Video Games
- Granblue Fantasy — Voice Roles
- Hell’s Paradise Game Projects — Shion
- Anime and fantasy mobile game collaborations
- Additional multimedia voice work
Critical Reception
Chikahiro Kobayashi is praised for emotionally grounded performances and natural dramatic delivery. Fans of Hell’s Paradise frequently highlight his portrayal of Shion for conveying wisdom, quiet compassion, and intimidating strength without losing the humanity of the character.
Our Sources
Behind The Voice Actors – Yamada Asaemon Shion (https://www.behindthevoiceactors.com/tv-shows/Hells-Paradise/Yamada-Asaemon-Shion/)
Anime News Network Encyclopedia – Chikahiro Kobayashi (https://www.animenewsnetwork.com/encyclopedia/people.php?id=101815)
Office Osawa Official Profile (https://osawa-inc.co.jp/men/kobayashichikahiro/)
Hell’s Paradise Official Anime Website (https://www.jigokuraku.com/)
Social Media
No verified official public social media accounts were found from public sources.
English Voice Actor: Sean Letourneau
Sean Letourneau voices Yamada Asaemon Shion in the English dub of Hell’s Paradise: Jigokuraku. His calm and emotionally grounded performance captures Shion’s wisdom, intimidating combat presence, and compassionate mentor-like personality throughout the series. (behindthevoiceactors.com)
Date of Birth
Sean Letourneau’s exact birth date is not publicly documented.
About Sean
Sean Letourneau is an American voice actor known for anime dubbing, video games, and fantasy-action roles. He frequently portrays disciplined fighters, mature authority figures, and emotionally composed warriors.
His portrayal of Yamada Asaemon Shion has been praised for balancing quiet emotional warmth with commanding strength. Fans of the English dub often highlight Letourneau’s ability to convey Shion’s calm wisdom and deadly combat skill without making the character feel emotionally distant.
As Hell’s Paradise gained popularity internationally, Shion became one of Letourneau’s most recognized anime roles.
Hometown
United States
Career Highlights
- Yamada Asaemon Shion — Hell’s Paradise
- Additional Roles — One Piece
- Additional Roles — Chainsaw Man
- Additional Roles — Blue Lock
- Voice work in fantasy and action anime productions
- Multimedia and gaming projects
Full Current Filmography
The following list reflects documented major voice acting credits from publicly available sources and may not be exhaustive.
Anime
- Hell’s Paradise — Yamada Asaemon Shion
- One Piece — Additional Voices
- Chainsaw Man — Additional Roles
- Blue Lock — Additional Voices
- My Hero Academia — Additional Characters
- Black Clover — Additional Roles
- The Rising of the Shield Hero — Additional Voices
- Dr. Stone — Additional Characters
Video Games
- Anime-related mobile game collaborations — Voice Roles
- Fantasy and action multimedia projects
- Additional gaming voice work
Animation & Other Media
- Streaming and multimedia voice performances
- Convention appearances and anime-related events
- Promotional voice projects
Critical Reception
Sean Letourneau is praised for calm, emotionally grounded performances and strong dramatic delivery. Fans of Hell’s Paradise frequently highlight his portrayal of Shion for preserving the character’s wisdom, emotional sincerity, and intimidating strength throughout the anime’s darker story arcs.
Our Sources
Behind The Voice Actors – Yamada Asaemon Shion (https://www.behindthevoiceactors.com/tv-shows/Hells-Paradise/Yamada-Asaemon-Shion/)
Behind The Voice Actors – Sean Letourneau (https://www.behindthevoiceactors.com/Sean-Letourneau/)
Crunchyroll – Hell’s Paradise English Dub Information (https://www.crunchyroll.com/)
Hell’s Paradise Official Anime Website (https://www.jigokuraku.com/)
Social Media
No verified official public social media accounts were found from public sources.
