Nobunaga Shimazaki
Voice ActorNobunaga Shimazaki is a Japanese voice actor who has worked in anime since 2009. In the Assassination Classroom anime, he voices the Reaper, the assassin whose transformation gives rise to Korosensei.
Assassination Classroom Role
Shimazaki voices the Reaper, the imprisoned assassin used as the human test subject in Kotaro Yanagisawa's antimatter research, an experiment that destroys the moon and eventually creates the tentacled creature who becomes Korosensei. The role ties directly into the series' core backstory, and Shimazaki additionally voiced Karma Akabane in the VOMIC digital comic version of the story.
Career and Notable Roles
Shimazaki has become one of the more recognizable names in modern anime casting, picking up a rookie actor prize early in his career and later a supporting actor honor at a subsequent Seiyu Awards ceremony. He is represented by the talent agency Aoni Production.
Frequently Asked Questions
What characters did Nobunaga Shimazaki voice?
Nobunaga Shimazaki voices the Reaper in the Assassination Classroom anime, the imprisoned assassin used as the human test subject in Kotaro Yanagisawa's antimatter research that destroys the moon and eventually creates the creature who becomes Korosensei. He also voiced Karma Akabane in the VOMIC digital comic version of the story.
What is Shimazaki's most famous work?
Nobunaga Shimazaki has become one of the more recognizable names in modern anime casting, picking up a rookie actor prize early in his career and later a supporting actor honor at a subsequent Seiyu Awards ceremony. His work includes voicing the Reaper in Assassination Classroom, a role tied directly to the series' core backstory.
What talent agency represents Nobunaga Shimazaki?
Nobunaga Shimazaki is represented by the talent agency Aoni Production. He has worked in anime since 2009.
When did Nobunaga Shimazaki start his voice acting career?
Nobunaga Shimazaki was born in 1988 and has worked in the anime industry since 2009. That includes his role as the Reaper in the Assassination Classroom anime, tied to the story's core backstory about Korosensei's creation.
Did Nobunaga Shimazaki have another role in Assassination Classroom?
Beyond voicing the Reaper in the anime, Nobunaga Shimazaki also voiced Karma Akabane in the VOMIC digital comic adaptation of Assassination Classroom. That version of the story used a different casting for its digital comic format.
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Sources & Information
This content is original writing by Daddy Jim Headquarters based on the Dragon Ball anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical posters and key visuals, credited to Toei Animation and Shueisha.
- Game pages: official box art, credited to Bandai Namco, Atari, and other publishers.
- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.
Official resources:
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