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Daisuke Ono is a Japanese voice actor and singer whose career has made him one of the most recognizable male performers in contemporary anime, games, and character music. Born on 4 May 1978 in Sakawa, Kochi Prefecture, Japan, he studied at Nihon University and entered professional voice work in the early 2000s. He became known for a resonant, composed vocal style that can shift from aristocratic coolness to comic panic, action-hero directness, and romantic-drama warmth.
Ono's rise was tied to a period when anime voice actors increasingly became public personalities as well as performers behind characters. He worked steadily through television anime, original video animation, theatrical anime, radio, drama CDs, games, and music releases. Early credits helped establish him with studios and fans, but the part that made him especially visible internationally was Sebastian Michaelis in Black Butler. Sebastian's elegant menace, exact diction, and dry humor gave Ono a signature role and connected him to a franchise that crossed manga, television, stage, film, and event culture.
He expanded that profile with a succession of prominent characters in high-profile series. Ono voiced Itsuki Koizumi in The Melancholy of Haruhi Suzumiya, Shizuo Heiwajima in Durarara!!, Jotaro Kujo in JoJo's Bizarre Adventure, Erwin Smith in Attack on Titan, Sinbad in Magi, Midorima Shintaro in Kuroko's Basketball, and many other roles. These parts show the range of his screen identity: calculating officers, overpowered fighters, eccentric school figures, intense rivals, and morally serious leaders. Jotaro and Erwin in particular gave him roles that reached large international audiences through streaming and global anime fandom.

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Ono has also remained active in games and franchise media. His voice credits include characters in major role-playing, action, and mobile-game properties, and he has been part of long-running multimedia worlds where a character's identity is carried across animation, games, concerts, audio dramas, and promotional events. His credits in Space Battleship Yamato revival projects, Black Butler films and specials, and other sequel works show his importance to durable Japanese pop-culture franchises rather than to single-season projects alone.
Music and radio have been central to his public image. Ono has released solo music through Lantis and has performed theme songs and character songs. His long-running radio work, including Dear Girl Stories with Hiroshi Kamiya, helped make him familiar to fans beyond scripted roles. This public-facing side of Japanese voice acting requires a different kind of performance: conversation, event hosting, comedy timing, and a sustained relationship with fan communities.
Ono's career is notable because he became famous during the globalization of anime consumption. Viewers outside Japan often first encounter him through subtitles and character recognition rather than through Japanese celebrity media, yet his voice has become strongly associated with several of the medium's most exported characters. He is therefore both a domestic seiyu star and an international voice attached to anime's streaming-era expansion.
As a performer, Ono is often cast when a character needs authority, polish, or contained intensity, but his best roles avoid being merely stoic. Sebastian's theatrical elegance, Shizuo's explosive frustration, Jotaro's terse heroism, and Erwin's burdened command each depend on different rhythms. That versatility has kept him in demand across action, comedy, fantasy, sports anime, science fiction, and games for more than two decades.
References:
[1] Wikipedia, “Daisuke Ono” — https://en.wikipedia.org/wiki/Daisuke_Ono
[2] Daisuke Ono Official Website — https://daisukeono.com/
[3] IMDb, “Daisuke Ono Biography” — https://www.imdb.com/name/nm2146029/bio/
[4] The Movie Database, “Daisuke Ono” — https://www.themoviedb.org/person/1241498-daisuke-ono
[5] Anime News Network Encyclopedia, “Daisuke Ono” — https://www.animenewsnetwork.com/encyclopedia/people.php?id=14907
[6] Lantis, “Daisuke Ono” — https://www.lantis.jp/artist/onodaisuke/
[7] Black Butler Official, “Black Butler” — https://www.kuroshitsuji.tv/
[8] JoJo Portal, “JoJo's Bizarre Adventure” — https://jojo-portal.com/
[9] Attack on Titan Official, “Attack on Titan” — https://shingeki.tv/
[10] Space Battleship Yamato 2202 Official — https://yamato2202.net/
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