Neito Monoma, the outspoken Class 1-B student known by the hero name Phantom Thief, is voiced by Kōhei Amasaki in the original Japanese version of My Hero Academia. In the English dub, the character is voiced by Austin Tindle.
JAPANESE VOICE ACTOR (Kōhei Amasaki)
Date of Birth
Kōhei Amasaki (天﨑 滉平)
- October 22, 1990
About Kōhei
Kōhei Amasaki is a Japanese voice actor affiliated with I’m Enterprise. Since his debut, he has built a reputation for voicing energetic, clever, and often eccentric characters. His performance as Neito Monoma captures the character’s theatrical arrogance, quick wit, and competitive obsession with Class 1-A, helping make Monoma one of the most memorable students in U.A. High School’s Class 1-B.
Hometown
Osaka Prefecture, Japan
Career Highlights
Some of Kōhei Amasaki’s best-known roles include:
- Neito Monoma / Phantom Thief — My Hero Academia
- Otto Suwen — Re:ZERO -Starting Life in Another World-
- Taichi Nishimura — Isekai Cheat Magician
- Kirill Vrubel — Double Decker! Doug & Kirill
- Masachika Kuze — Alya Sometimes Hides Her Feelings in Russian
- Will Serfort — Wistoria: Wand and Sword
Full Current Filmography
The following list reflects major documented credits from reputable sources and may not be exhaustive.
Television Anime
- My Hero Academia — Neito Monoma / Phantom Thief
- Re:ZERO -Starting Life in Another World- — Otto Suwen
- Double Decker! Doug & Kirill — Kirill Vrubel
- Isekai Cheat Magician — Taichi Nishimura
- Stars Align — Taiyō Ishigami
- Alya Sometimes Hides Her Feelings in Russian — Masachika Kuze
- Wistoria: Wand and Sword — Will Serfort
- Witch Watch — Kanshi Kazamatsuri
Video Games
- My Hero Ultra Rumble — Neito Monoma
- My Hero Academia: All’s Justice — Neito Monoma
- Metaphor: ReFantazio — Loveless O’Shea
- Final Fantasy XIV: Dawntrail — Zekowa Naahe
Critical Reception
Amasaki’s portrayal of Monoma is often praised by fans for balancing comedy and competitiveness. His energetic delivery emphasizes Monoma’s dramatic personality while still conveying the intelligence and tactical thinking that make the character valuable during major arcs such as the Joint Training Arc and Final War Arc.
Our Sources
- Behind The Voice Actors – Phantom Thief / Neito Monoma (My Hero Academia) (https://www.behindthevoiceactors.com/tv-shows/My-Hero-Academia/Phantom-Thief-Neito-Monoma/)
- Behind The Voice Actors – Kōhei Amasaki Profile (https://www.behindthevoiceactors.com/Kohei-Amasaki/)
- IMDb – Kōhei Amasaki (https://www.imdb.com/name/nm7502119/)
- Anibase – Neito Monoma Character Profile (https://anibase.net/en/character/lyLx4/Neito-Monoma-Phantom-Thief)
ENGLISH VOICE ACTOR (Austin Tindle)
Date of Birth
Austin Tindle
- November 1, 1989
About Austin
Austin Tindle is an American voice actor best known for his extensive work in anime dubbing for Funimation and Crunchyroll. Since entering the industry, he has become a recognizable voice behind a wide range of protagonists, rivals, and comedic characters.
As Neito Monoma in My Hero Academia, Tindle delivers a performance that perfectly captures Monoma’s dramatic personality, sharp tongue, and obsession with proving Class 1-B’s superiority over Class 1-A. His energetic delivery has made Monoma one of the franchise’s most entertaining supporting characters in the English dub.
Hometown
Austin Tindle was born in the United States. Detailed hometown information has not been widely documented in official public biographies.
Career Highlights
Some of Austin Tindle’s most notable roles include:
- Neito Monoma / Phantom Thief — My Hero Academia
- Ken Kaneki — Tokyo Ghoul
- Karma Akabane — Assassination Classroom
- Ayumu Aikawa — Is This a Zombie?
- Marco Bodt — Attack on Titan
- Accelerator (young appearances and related productions) — A Certain Magical Index franchise
- Yū Nishinoya — Haikyuu!!
- Kakeru Naruse — Orange
These roles have established him as one of the most recognizable English-dub actors working in anime today.
Full Current Filmography
The following list reflects major documented credits from reputable industry databases and is not intended to be a complete career record.
Television Anime
- My Hero Academia — Neito Monoma / Phantom Thief
- Tokyo Ghoul — Ken Kaneki
- Assassination Classroom — Karma Akabane
- Haikyuu!! — Yū Nishinoya
- Orange — Kakeru Naruse
- Attack on Titan — Marco Bodt
- Is This a Zombie? — Ayumu Aikawa
- D-Frag! — Kenji Kazama
- Future Diary — John Bacchus
- Hyouka — Additional Voices
- The Heroic Legend of Arslan — Jaswant
- Magi: The Kingdom of Magic — Titus Alexius
Anime Films
- My Hero Academia: Two Heroes — Neito Monoma
- My Hero Academia: Heroes Rising — Neito Monoma
- My Hero Academia: World Heroes’ Mission — Neito Monoma
- My Hero Academia: You’re Next — Neito Monoma
Video Games
- My Hero One’s Justice series — Neito Monoma
- My Hero Ultra Rumble — Neito Monoma
- Additional anime game adaptations featuring reprised character roles where credited
Critical Reception
Austin Tindle’s portrayal of Monoma is frequently praised by English-dub viewers for matching the character’s theatrical nature without making him one-dimensional. Fans often highlight his ability to switch seamlessly between comedy, arrogance, intelligence, and genuine determination, particularly during the Joint Training Arc and Final War Arc. His performance has helped make Monoma a standout character despite his comparatively limited screen time.
Our Sources
- Behind The Voice Actors – Phantom Thief / Neito Monoma (My Hero Academia) (https://www.behindthevoiceactors.com/tv-shows/My-Hero-Academia/Phantom-Thief-Neito-Monoma/)
- Behind The Voice Actors – Austin Tindle Profile (https://www.behindthevoiceactors.com/Austin-Tindle/)
- Anime News Network Encyclopedia – Austin Tindle (https://www.animenewsnetwork.com/encyclopedia/people.php)
- IMDb – Austin Tindle (https://www.imdb.com/name/nm3987369/)
Social Media
- X (Twitter): https://x.com/austintindle
- Instagram: https://www.instagram.com/austintindle
- IMDb: https://www.imdb.com/name/nm3987369/
