Louis in BEASTARS is voiced by Yūki Ono in the original Japanese version and Griffin Puatu in the English dub. Ono’s emotionally layered performance helped establish Louis as one of the anime’s most complex and morally conflicted characters, while Puatu brought the same charisma, insecurity, and emotional intensity to the English adaptation. (behindthevoiceactors.com)

Yūki Ono – Japanese Voice of Louis

Date of Birth

June 22, 1984

About Yūki

Yūki Ono is a Japanese voice actor and singer affiliated with Atomic Monkey. Since rising to prominence in the 2010s, he has become widely recognized for portraying charismatic rivals, emotionally conflicted protagonists, and commanding supporting characters across sports, action, and psychological anime.

As Louis in BEASTARS, Ono delivered one of the most emotionally nuanced performances of his career. Louis is a proud red deer burdened by trauma, ambition, insecurity, and the pressures of leadership within the series’ divided society. Ono’s performance balanced Louis’ outward confidence and authority with the emotional vulnerability hidden beneath the character’s carefully controlled image.

Fans frequently praised how effectively he conveyed Louis’ pride, anger, loneliness, and gradual emotional growth throughout the anime.

Outside of BEASTARS, Ono is internationally famous for major roles in JoJo’s Bizarre Adventure, Kuroko’s Basketball, and Attack on Titan.

Hometown

Shizuoka Prefecture, Japan

Career Highlights

  • Louis — BEASTARS
  • Josuke Higashikata — JoJo’s Bizarre Adventure: Diamond Is Unbreakable
  • Taiga Kagami — Kuroko’s Basketball
  • Erwin Smith (younger portrayals/support media) — related projects
  • Mikaela Hyakuya’s associated ensemble productions
  • Gran — Granblue Fantasy
  • Rensuke Kunigami — Blue Lock
  • Various sports anime and action-series protagonists

Full Current Filmography

The following list reflects documented anime, film, music, and game credits from publicly available industry sources and may not be exhaustive.

Television Anime

  • BEASTARS — Louis
  • JoJo’s Bizarre Adventure: Diamond Is Unbreakable — Josuke Higashikata
  • Kuroko’s Basketball — Taiga Kagami
  • Blue Lock — Rensuke Kunigami
  • Granblue Fantasy The Animation — Gran
  • Durarara!! — Rokujo Chikage
  • Magi — Ren Kouen
  • Working!! — Jun Satō
  • Attack on Titan — Supporting Roles
  • Dr. Stone — Additional Voices
  • Fire Force — Supporting Cast
  • Tokyo Revengers — Additional Roles

Anime Films

  • BEASTARS promotional projects — Louis
  • JoJo’s Bizarre Adventure related projects — Josuke Higashikata
  • Kuroko’s Basketball: Last Game — Taiga Kagami
  • Blue Lock film projects — Rensuke Kunigami

Video Games

  • Granblue Fantasy — Gran
  • JoJo’s Bizarre Adventure: All-Star Battle — Josuke Higashikata
  • Blue Lock Project: World Champion — Rensuke Kunigami
  • BEASTARS related media projects — Louis
  • Kuroko’s Basketball game adaptations — Taiga Kagami

Critical Reception

Yūki Ono’s portrayal of Louis received widespread acclaim for its emotional sophistication and commanding presence. Fans frequently highlighted how effectively he balanced Louis’ charisma and arrogance with the insecurity, trauma, and emotional conflict driving the character beneath the surface.

His performance helped establish Louis as one of the most compelling characters in BEASTARS.

Our Sources

Griffin Puatu – English Voice of Louis

Date of Birth

September 28, 1998

About Griffin

Griffin Puatu is an American voice actor known for his work in anime dubbing, video games, and animation. Since entering the industry, he has become especially recognized for portraying charismatic rivals, emotionally conflicted young men, and psychologically layered supporting characters.

As the English voice of Louis in BEASTARS, Puatu delivered a sophisticated and emotionally charged performance that captured Louis’ pride, ambition, emotional insecurity, and hidden vulnerability. Louis is one of the series’ most psychologically complex characters, balancing public confidence and leadership with deep internal trauma and fear. Puatu’s performance helped preserve that emotional depth throughout the English adaptation.

Fans frequently praised how effectively he conveyed Louis’ sharp intelligence, emotional frustration, and gradual personal growth across the series.

Outside of BEASTARS, Puatu is also widely known for major roles in Demon Slayer, JoJo’s Bizarre Adventure: Stone Ocean, and Bungo Stray Dogs.

Hometown

California, United States

Career Highlights

  • Louis — BEASTARS
  • Muichiro Tokito — Demon Slayer
  • Ghiaccio — JoJo’s Bizarre Adventure: Golden Wind
  • Atsushi Nakajima (younger/support media projects) — related productions
  • Kawaki support roles — Boruto related projects
  • Additional major roles in Netflix and Crunchyroll anime dubs

Full Current Filmography

The following list reflects documented English dub acting credits from publicly available industry sources and may not be exhaustive.

Television Anime

  • BEASTARS — Louis
  • Demon Slayer — Muichiro Tokito
  • JoJo’s Bizarre Adventure — Ghiaccio
  • Bungo Stray Dogs — Supporting Roles
  • Boruto: Naruto Next Generations — Additional Voices
  • Blue Lock — Supporting Cast
  • Tokyo Revengers — Additional Characters
  • Record of Ragnarok — Supporting Voices
  • One Piece — Additional Voices
  • The Seven Deadly Sins — Supporting Roles
  • Edens Zero — Additional Voices
  • The Daily Life of the Immortal King — English dub cast appearances

Anime Films

  • BEASTARS promotional projects — Louis
  • Demon Slayer related film projects — Muichiro Tokito
  • JoJo’s Bizarre Adventure special releases — Ghiaccio
  • Blue Lock related productions — Supporting Roles

Video Games

  • Demon Slayer: The Hinokami Chronicles — Muichiro Tokito
  • BEASTARS related media projects — Louis
  • JoJo’s Bizarre Adventure related game appearances — Ghiaccio
  • Anime crossover mobile games — Various Roles

Streaming & Online Projects

Griffin Puatu has also participated in online animation, livestream events, convention appearances, and gaming-related voice projects connected to anime fandom culture.

Critical Reception

Griffin Puatu’s portrayal of Louis received praise from English dub audiences for its emotional intensity and sophistication. Fans frequently highlighted how effectively he balanced Louis’ arrogance and commanding personality with the fear, trauma, and loneliness hidden beneath the character’s polished exterior.

His performance helped establish Louis as one of the standout characters in the BEASTARS English dub.

Our Sources

Social Media

Published by Limarc Ambalina

Limarc Ambalina is the founder of Japan Bound, a website covering all things Japan — from travel and culture to anime, manga, and pop culture. He is also the Director of Content at ISNation and the former VP of Editorial at HackerNoon. Based in Japan, he has been writing about Japanese life and entertainment since 2019, growing the site to over 2.4 million views.

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