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Hiro Shimono is a Japanese voice actor and singer whose work spans television anime, theatrical animation, video games, character-song projects and live events. Born in Tokyo on April 21, 1980, he became associated with the talent agency I'm Enterprise and built a career around energetic, emotionally flexible performances. His credits range from young comic leads to anxious heroes, battle-anime supporting characters and darker antagonists, making him a familiar voice to viewers of Japanese animation in the 2000s, 2010s and 2020s.
Shimono's early career included roles in series such as RahXephon, where he voiced Ayato Kamina, and a steady sequence of television-anime parts that helped establish him as a versatile performer. He became especially visible through roles including Akihisa Yoshii in Baka and Test, Keima Katsuragi in The World God Only Knows, Syo Kurusu in the Uta no Prince-sama franchise, Hanzō Urushihara in The Devil Is a Part-Timer!, Norifumi Kawakami in Ace of Diamond and Connie Springer in Attack on Titan. These roles show the range that has defined his career: comic timing, youthful vulnerability, fast emotional shifts and the ability to stay recognizable while fitting into large ensemble casts.
International audiences often know Shimono through several globally distributed franchises. In Demon Slayer: Kimetsu no Yaiba, he voices Zenitsu Agatsuma, a fearful but gifted swordsman whose comic panic and sudden intensity depend heavily on vocal contrast. In My Hero Academia, he voices Dabi, a colder and more menacing character whose restrained delivery differs sharply from many of Shimono's brighter roles. In Attack on Titan, his work as Connie Springer places him inside one of modern anime's best-known ensemble dramas. Video-game players also know him as Rex in Xenoblade Chronicles 2 and as Ryunosuke Naruhodo in The Great Ace Attorney projects.

as Zenitsu Agatsuma (voice) · Not rated yet

Actor · 2026 · Not rated yet

Actor · 2026 · Not rated yet

Actor · 2026 · Not rated yet

Actor · 2025 · Not rated yet

as Zenitsu Agatsuma (voice) · 2025 · Not rated yet

Actor · 2025 · Not rated yet

as Zenitsu Agatsuma (voice) · 2025 · Not rated yet
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Alongside acting, Shimono has released music and participated in character-song and franchise-related performances. His public profile in Japan includes radio, event appearances and promotional work connected to anime franchises, especially projects where voice actors are central to a show's audience relationship. Like many high-profile Japanese voice performers, his career is not limited to recording dialogue; it includes singing, stage appearances, interviews, and cross-media participation around games, concerts and anime events.
Shimono's filmography is unusually long because Japanese voice acting often involves recurring roles across seasons, films, OVAs, games and drama CDs. Rather than being defined by a single screen persona, he is known for adapting to the idioms of anime comedy, fantasy adventure, sports series and action drama. His best-known characters also demonstrate how voice actors can shape audience attachment even when the character design, animation and writing come from other departments. Zenitsu's exaggerated fear, Dabi's controlled threat and Connie's ordinary-soldier warmth each require different vocal strategies, and Shimono's continued casting across major franchises reflects industry confidence in that adaptability.
Public biographical information about Shimono is more limited than his credit list, but reliable profiles consistently identify him as a Tokyo-born performer active since the early 2000s and affiliated with I'm Enterprise. Available public reporting also notes that he is married and has children. The bulk of his publicly documented career is therefore best described through credited work rather than private life. As of the mid-2020s, he remains active in anime and related media, with a career that connects early-2000s television anime to some of the medium's biggest international hits.
References:
[1] Wikipedia, “Hiro Shimono” — https://en.wikipedia.org/wiki/Hiro_Shimono
[2] I'm Enterprise, “Hiro Shimono profile” — https://www.imenterprise.jp/profile.php?id=43
[3] Hiro Shimono official site — http://shimonohiro.com/
[4] The Movie Database, “Hiro Shimono” — https://www.themoviedb.org/person/119145-hiro-shimono
[5] IMDb, “Hiro Shimono” — https://www.imdb.com/name/nm1435774/
[6] Behind The Voice Actors, “Hiro Shimono” — https://www.behindthevoiceactors.com/Hiro-Shimono/
[7] MyAnimeList, “Hiro Shimono” — https://myanimelist.net/people/356/Hiro_Shimono
[8] Anime-Planet, “Hiro Shimono” — https://www.anime-planet.com/people/hiro-shimono
[9] Wikipedia, “Demon Slayer: Kimetsu no Yaiba” — https://en.wikipedia.org/wiki/Demon_Slayer:_Kimetsu_no_Yaiba
[10] Wikipedia, “Attack on Titan” — https://en.wikipedia.org/wiki/Attack_on_Titan
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