Kafka Hibino, the adult protagonist who transforms into the powerful Kaiju No. 8 in Kaiju No. 8, is voiced by Masaya Fukunishi in Japanese and Nazeeh Tarsha in the English dub. Both actors are praised for capturing Kafka’s comedic personality, emotional struggles, and heroic determination throughout the series. (behindthevoiceactors.com)
Japanese Voice Actor: Masaya Fukunishi
Masaya Fukunishi voices Kafka Hibino in the Japanese version of Kaiju No. 8. His performance balances Kafka’s goofy humor, emotional insecurity, and explosive action scenes, helping define the anime adaptation’s tone. (behindthevoiceactors.com)
Date of Birth
February 24, 1995
About Masaya
Masaya Fukunishi is a Japanese voice actor affiliated with Ken Production. Before landing the lead role of Kafka Hibino, he worked extensively in supporting anime and game roles while steadily building recognition in the industry.
His portrayal of Kafka has been widely praised because of how naturally he captures the character’s unusual mix of middle-aged exhaustion, comedic awkwardness, and genuine heroic spirit. Since Kaiju No. 8 became a global hit, Fukunishi’s popularity has grown significantly among anime fans.
Hometown
Nara Prefecture, Japan
Career Highlights
- Kafka Hibino — Kaiju No. 8
- Additional Roles — Blue Lock
- Additional Roles — My Hero Academia
- Supporting Roles — Tokyo Revengers
- Supporting Roles — The Eminence in Shadow
- Various game and narration projects
Full Current Filmography
The following list reflects documented major anime voice roles from publicly available sources and may not be exhaustive.
Television Anime
- Kaiju No. 8 — Kafka Hibino
- Blue Lock — Additional Voices
- Tokyo Revengers — Supporting Roles
- My Hero Academia — Additional Voices
- The Eminence in Shadow — Additional Roles
- Kingdom — Additional Voices
- Shangri-La Frontier — Supporting Roles
Anime Films
- Kaiju No. 8 related promotional projects — Kafka Hibino
Video Games
- Kaiju No. 8 Game Projects — Kafka Hibino
- Additional voice work in Japanese mobile games and multimedia projects
Critical Reception
Masaya Fukunishi has received strong praise for his energetic and emotionally sincere performance as Kafka Hibino. Fans frequently highlight his ability to balance comedy and dramatic action, especially during scenes where Kafka struggles between his human identity and his kaiju powers.
Our Sources
Behind The Voice Actors – Kafka Hibino (https://www.behindthevoiceactors.com/tv-shows/Kaiju-No-8/Kafka-Hibino/)
Ken Production Official Profile (https://www.kenproduction.co.jp/talent/196)
Anime News Network Encyclopedia (https://www.animenewsnetwork.com/)
Kaiju No. 8 Official Anime Website (https://kaiju-no8.net/)
Social Media
X (Twitter): https://x.com/fukunishi_m
English Voice Actor: Nazeeh Tarsha
Nazeeh Tarsha voices Kafka Hibino in the English dub of Kaiju No. 8. His performance captures Kafka’s exhausted adult humor, emotional vulnerability, and explosive determination as he balances ordinary life with overwhelming kaiju powers. (behindthevoiceactors.com)
Date of Birth
Nazeeh Tarsha’s exact birth date is not publicly documented.
About Nazeeh
Nazeeh Tarsha is an American voice actor known for anime dubbing, video games, and animation. Over the past several years, he has become increasingly recognized for portraying emotionally layered protagonists, charismatic fighters, and dramatic action heroes.
His portrayal of Kafka Hibino has been praised for balancing the character’s comedic awkwardness with genuine emotional sincerity and heroic intensity. Fans of the English dub frequently highlight how naturally Tarsha handles Kafka’s transition between ordinary adult worker and terrifying kaiju powerhouse.
Outside anime, Tarsha has also voiced characters in major gaming and multimedia franchises.
Hometown
United States
Career Highlights
- Kafka Hibino — Kaiju No. 8
- Alhaitham — Genshin Impact
- Clive Rosfield — Final Fantasy XVI (certain media/promotional projects)
- Additional Roles — Attack on Titan
- Additional Roles — One Piece
- Additional Roles — Blue Lock
- Voice work in fantasy and action game titles
Full Current Filmography
The following list reflects documented major voice acting credits from publicly available sources and may not be exhaustive.
Anime
- Kaiju No. 8 — Kafka Hibino
- Blue Lock — Additional Voices
- One Piece — Additional Voices
- Attack on Titan — Additional Roles
- Chainsaw Man — Additional Voices
- The Rising of the Shield Hero — Additional Voices
- My Hero Academia — Additional Roles
Video Games
- Genshin Impact — Alhaitham
- Final Fantasy XVI promotional/localization-related voice work
- Honkai: Star Rail — Additional Voices
- Kaiju No. 8 Game Projects — Kafka Hibino
- Various anime and fantasy mobile game projects
Animation & Other Media
- Voice work for trailers, commercials, and multimedia productions
- Convention appearances and fan events
Critical Reception
Nazeeh Tarsha is praised for his emotionally grounded performances and strong dramatic delivery. Fans of Kaiju No. 8 frequently highlight his portrayal of Kafka Hibino for preserving the character’s humor and humanity while still delivering the intensity needed for the anime’s large-scale action scenes.
Our Sources
Behind The Voice Actors – Kafka Hibino (https://www.behindthevoiceactors.com/tv-shows/Kaiju-No-8/Kafka-Hibino/)
Behind The Voice Actors – Nazeeh Tarsha (https://www.behindthevoiceactors.com/Nazeeh-Tarsha/)
Crunchyroll – Kaiju No. 8 English Dub Information (https://www.crunchyroll.com/)
Kaiju No. 8 Official Anime Website (https://kaiju-no8.net/)
Social Media
X (Twitter): https://x.com/NazeehTarsha
Instagram: https://www.instagram.com/nazeehtarsha/
