The Japanese voice actor for Cocytus in Overlord is Kenta Miyake (三宅 健太). In the English dub, the character is voiced by Bryan Massey. Miyake’s booming, battle-hardened performance gave Cocytus his unmistakable presence as Nazarick’s honorable warrior guardian, combining overwhelming intimidation with surprising nobility and discipline.


Japanese Voice Actor: Kenta Miyake

Date of Birth

August 23, 1977.

About Kenta

Kenta Miyake is a Japanese voice actor famous for portraying physically imposing, powerful, and commanding characters across anime, games, and dubbing work. His deep, resonant voice made him a natural fit for Cocytus, the Fifth Floor Guardian of Nazarick and one of Overlord’s strongest melee fighters.

Miyake’s portrayal emphasizes Cocytus’ honor-bound warrior philosophy and calm strategic mindset rather than portraying him as a simple monster. His deliberate speech pattern and thunderous vocal delivery became one of the character’s defining traits throughout the series.

Outside of Overlord, Miyake is widely recognized for major roles such as All Might in My Hero Academia, Muhammad Avdol in JoJo’s Bizarre Adventure, and Zangief in multiple Street Fighter projects.

Hometown

Okinawa Prefecture, Japan. Public biographical sources vary slightly on specific hometown details, but Okinawa is consistently documented.

Career Highlights

  • Cocytus — Overlord
  • All Might — My Hero Academia
  • Muhammad Avdol — JoJo’s Bizarre Adventure
  • Scar — Fullmetal Alchemist (selected media)
  • Zangief — Street Fighter
  • Gladiolus Amicitia — Final Fantasy XV
  • Kratos — Japanese dub voice in later God of War titles
  • Vector the Crocodile — Sonic the Hedgehog franchise

Full Current Filmography

The following list reflects publicly documented anime and game credits from major databases and publisher materials. It may not be exhaustive.

Television Anime

  • Overlord — Cocytus (2015)
  • Overlord II — Cocytus (2018)
  • Overlord III — Cocytus (2018)
  • Overlord IV — Cocytus (2022)
  • Isekai Quartet — Cocytus
  • My Hero Academia — All Might
  • JoJo’s Bizarre Adventure — Muhammad Avdol
  • Boruto: Naruto Next Generations — various supporting roles
  • Toriko — Zebra
  • Tiger & Bunny — Antonio Lopez / Rock Bison
  • Dr. Stone — Tsukasa’s allies and supporting roles
  • Fire Force — Flail
  • Baki — multiple supporting roles

Anime Films

  • Overlord: The Undead King — Cocytus
  • Overlord: The Dark Hero — Cocytus
  • Overlord: The Sacred Kingdom — Cocytus
  • My Hero Academia films — All Might
  • JoJo’s Bizarre Adventure franchise projects — Muhammad Avdol

Video Games

  • Final Fantasy XV — Gladiolus Amicitia
  • Street Fighter series — Zangief
  • God of War Ragnarök (Japanese dub) — Kratos
  • Overlord: Mass for the Dead — Cocytus
  • Overlord: Escape from Nazarick — Cocytus
  • Sonic franchise — Vector the Crocodile

Critical Reception

Kenta Miyake’s portrayal of Cocytus is frequently praised for giving the character unexpected depth. While Cocytus initially appears as a purely intimidating warrior, Miyake’s measured and honorable delivery helped audiences connect with the guardian’s sense of duty, fairness, and martial pride.

Fans especially highlight Cocytus’ lizardmen storyline in Overlord II, where Miyake balanced battlefield ferocity with genuine respect for worthy opponents. The performance helped elevate Cocytus from a background enforcer into one of Nazarick’s most respected Floor Guardians.

Our Sources

Behind The Voice Actors – Cocytus (Overlord) (https://www.behindthevoiceactors.com/characters/Overlord/Cocytus/)

Behind The Voice Actors – Cocytus TV Cast Listing (https://www.behindthevoiceactors.com/tv-shows/Overlord/Cocytus/)

IMDb – Overlord Full Cast & Crew (https://www.imdb.com/title/tt4869896/fullcredits/)

Anibase – Cocytus Character Profile (https://anibase.net/en/character/4n06R/Cocytus)

YouTube – Overlord: Lord of Nazarick Voice Logs (https://www.youtube.com/watch?v=SAjgwceY6rU)

Social Media

No verified public social media accounts or official personal profiles were found from public sources.


English Voice Actor: Bryan Massey

Date of Birth

September 4, 1971. (behindthevoiceactors.com)

About Bryan

Bryan Massey is the English voice actor for Cocytus in the English dub of Overlord. Known for his naturally deep and commanding voice, Massey brought immense physical presence and warrior-like dignity to the role, helping Cocytus stand out among Nazarick’s many powerful guardians.

Rather than portraying Cocytus as purely monstrous, Massey emphasized the character’s discipline, loyalty, and sense of honor. His measured speech and imposing delivery made Cocytus feel less like a simple villain and more like a noble battlefield commander devoted to Ainz Ooal Gown.

Outside of Overlord, Massey is widely recognized for major roles in Dragon Ball Z Kai, One Piece, Borderlands, Akame ga Kill!, and numerous video game productions. (imdb.com)

Hometown

Pontiac, Michigan, United States. (behindthevoiceactors.com)

Career Highlights

  • Cocytus — Overlord
  • Oolong — Dragon Ball Z Kai
  • Master Shen — Dragon Ball Super
  • Lubbock — Akame ga Kill!
  • General Blue — Dragon Ball
  • Additional Voices — One Piece
  • Badassaurus Rex — Borderlands
  • Various Roles — SMITE and Paladins (behindthevoiceactors.com)

Full Current Filmography

The following list reflects publicly documented anime, dubbing, and game credits from major databases and official publisher materials. It may not be exhaustive.

Television Anime

  • Overlord — Cocytus (2015)
  • Overlord II — Cocytus (2018)
  • Overlord III — Cocytus (2018)
  • Overlord IV — Cocytus (2022)
  • Isekai Quartet — Cocytus
  • Dragon Ball Z Kai — Oolong
  • Dragon Ball Super — Master Shen
  • Akame ga Kill! — Lubbock
  • One Piece — Additional Voices
  • Black Clover — Additional Voices
  • Fairy Tail — Additional Voices
  • My Hero Academia — Additional Voices
  • Fire Force — Additional Voices

Anime Films

  • Overlord: The Undead King — Cocytus
  • Overlord: The Dark Hero — Cocytus
  • Overlord: The Sacred Kingdom — Cocytus
  • Dragon Ball Super: Broly — Supporting Roles

Video Games

  • Borderlands series — Badassaurus Rex and additional voices
  • SMITE — Various Voice Roles
  • Paladins — Various Roles
  • Dragon Ball Legends — Master Shen
  • Overlord: Mass for the Dead — Cocytus

Critical Reception

Bryan Massey’s portrayal of Cocytus has been praised by dub viewers for preserving the character’s intimidating strength while also highlighting his honorable personality. Fans frequently point to Cocytus’ leadership scenes and battlefield speeches as some of the strongest examples of Massey’s commanding vocal style.

His performance during the Lizardmen arc in particular earned praise for giving emotional weight to Cocytus’ growth as a strategist and leader. Many viewers appreciated that the dub treated Cocytus as a disciplined warrior rather than simply a monster with a deep voice. (behindthevoiceactors.com)

Our Sources

Behind The Voice Actors – Cocytus (Overlord) (https://www.behindthevoiceactors.com/characters/Overlord/Cocytus/)

Behind The Voice Actors – Bryan Massey (https://www.behindthevoiceactors.com/Bryan-Massey/)

IMDb – Bryan Massey Credits (https://www.imdb.com/name/nm0560470/)

Crunchyroll – Overlord Dub Information (https://www.crunchyroll.com/series/G69PZ5PDY/overlord)

Wikipedia – Bryan Massey (https://en.wikipedia.org/wiki/Bryan_Massey)

Social Media

X / Twitter: https://x.com/BryanMasseyVO

IMDb: https://www.imdb.com/name/nm0560470/

Official Website: https://www.bryanmassey.com/

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