People · DossierActive since 2012
Koutarou Nishiyama
西山宏太朗
- Voice actor78
- Director · Staff11
Voice actor · 78 roles across three decades. Best known for Yoshiharu Hisomu in Kiznaiver.
Derived from credit data — not curated copy
2012 – Present16 years active
- Characters voiced
- 78
- Staff credits
- 11
Voice role split
21 main 63 supporting
Top staff positions
- Theme Song Performance8
- Inserted Song Performance5
- Screenplay1
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