In Assassination Classroom, Karma Akabane is voiced by Nobuhiko Okamoto in the Japanese version and Austin Tindle in the English dub. Okamoto delivers a sharp, mischievous, and emotionally intense performance that perfectly captures Karma’s sadistic charm and hidden intelligence.
Nobuhiko Okamoto (Japanese Voice Actor)
Date of Birth
October 24, 1986
About Nobuhiko
Nobuhiko Okamoto is a highly acclaimed Japanese voice actor known for his explosive vocal range and ability to portray hot-headed, cunning, and emotionally volatile characters. Affiliated with Racoon Dog (founded by fellow voice actor Yuki Kaji), Okamoto has become one of the most recognizable voices in modern anime. His portrayal of Karma Akabane stands out for its balance of playful cruelty and underlying depth, making the character both entertaining and unpredictable.
Hometown
Tokyo, Japan
Career Highlights
Nobuhiko Okamoto has voiced many iconic anime characters:
- Katsuki Bakugo (My Hero Academia) – A fiery and aggressive aspiring hero
- Rin Okumura (Blue Exorcist) – A rebellious teen with demonic powers
- Accelerator (A Certain Magical Index) – A complex and powerful anti-hero
- Karma Akabane (Assassination Classroom) – A brilliant and sadistic student
- Genya Shinazugawa (Demon Slayer) – A rough and determined demon slayer
- Nishinoya Yu (Haikyuu!!) – An energetic and fearless libero
His performance as Karma is particularly praised for its charisma and controlled menace.
Full Current Filmography
The following is a structured list of documented credits from reputable sources and may not be exhaustive.
Anime (Selected, Chronological)
- 2008–2010 – A Certain Magical Index – Accelerator
- 2011–2017 – Blue Exorcist – Rin Okumura
- 2014–present – Haikyuu!! – Yu Nishinoya
- 2015–2016 – Assassination Classroom – Karma Akabane
- 2016–present – My Hero Academia – Katsuki Bakugo
- 2019–present – Demon Slayer: Kimetsu no Yaiba – Genya Shinazugawa
- 2021 – Horimiya – Kakeru Sengoku
- 2023 – The Kingdoms of Ruin – Supporting roles
Video Games (Selected)
- A Certain Magical Index games – Accelerator
- My Hero Academia games – Katsuki Bakugo
- Demon Slayer: Hinokami Chronicles – Genya Shinazugawa
- Granblue Fantasy – Various roles
Other Work
- Music career including character songs and solo releases
- Radio hosting and seiyuu variety appearances
Critical Reception
Nobuhiko Okamoto is widely praised for his energetic delivery and ability to portray intense personalities with emotional depth.
- Anime News Network Encyclopedia profile (https://www.animenewsnetwork.com/encyclopedia/people.php?id=72693)
- Behind The Voice Actors profile (https://www.behindthevoiceactors.com/Nobuhiko-Okamoto/)
His portrayal of Karma Akabane is frequently highlighted by fans for its perfect mix of playful sadism and intelligence, making Karma one of the most memorable characters in the series.
Social Media
X: @ok_nobuhiko (https://x.com/ok_nobuhiko)
Austin Tindle (English Voice Actor)
Date of Birth
November 18, 1984
About Austin
Austin Tindle is an American voice actor known for his sharp, expressive delivery and ability to portray sarcastic, intelligent, and emotionally layered characters. Working extensively with Crunchyroll (formerly Funimation), Tindle has built a reputation for roles that combine wit, edge, and psychological nuance. As Karma Akabane in Assassination Classroom, he delivers a standout performance that captures Karma’s mischievous cruelty, confidence, and underlying emotional complexity.
Hometown
Not publicly documented
Career Highlights
Austin Tindle has voiced a wide range of notable characters:
- Karma Akabane (Assassination Classroom) – A brilliant and sadistic student with a playful edge
- Ken Kaneki (Tokyo Ghoul) – A tragic protagonist with intense emotional evolution
- Ishida Mitsunari (Sengoku Basara) – A serious and loyal warrior
- Ayumu Aikawa (Is This a Zombie?) – A sarcastic and reluctant hero
- Monoma Neito (My Hero Academia) – A smug and provocative student
- Accelerator (young/alt versions) (A Certain Magical Index franchise) – Variants of the powerful esper
His portrayal of Karma is particularly praised for maintaining a balance between humor and menace.
Full Current Filmography
The following reflects documented credits from major dubbing productions and may not be exhaustive.
Anime (Selected, Chronological)
- 2011–2012 – Is This a Zombie? – Ayumu Aikawa
- 2014–2018 – Tokyo Ghoul – Ken Kaneki
- 2015–2016 – Assassination Classroom – Karma Akabane
- 2016–present – My Hero Academia – Neito Monoma
- 2017 – Clockwork Planet – Naoto Miura
- 2018 – Dances with the Dragons – Gayus Soriel
- 2019 – Fairy Tail: Final Series – Additional voices
- 2020 – Fire Force – Juggernaut (Takumi Kotatsu, early casting notes/alternate credits vary)
- 2021 – Horimiya – Shu Iura
- 2023 – The Legendary Hero Is Dead! – Supporting roles
Video Games (Selected)
- Tokyo Ghoul video game adaptations – Ken Kaneki
- Smite – Character voices
- Borderlands series – Additional voices
Other Work
- ADR dubbing collaborations with Crunchyroll
- Convention appearances and fan panels
Critical Reception
Austin Tindle is widely praised for his emotionally intense performances and strong character interpretation.
- Behind The Voice Actors profile (https://www.behindthevoiceactors.com/Austin-Tindle/)
- Anime News Network Encyclopedia (https://www.animenewsnetwork.com/encyclopedia/people.php?id=103904)
His performance as Karma Akabane is frequently highlighted by fans for its perfect blend of playful sarcasm and underlying threat, helping define the character in the English dub.
Social Media
X: @austintindle (https://x.com/austintindle)
