Kumiko Nishihara is a voice actress from Chigasaki, Kanagawa, working under Aoni Production, who voices Diana, the feline companion of Chibiusa, in the Sailor Moon anime.
Nishihara voices Diana, the small white cat who accompanies and looks after Chibiusa, in the Sailor Moon anime. She also provided the voice for U-Tomodachi, a minor character within the series. Diana is the best known of her two Sailor Moon roles, appearing across multiple story arcs as part of the franchise's talking-cat lineage alongside Luna and Artemis.
Nishihara voices Diana, the small white cat who accompanies and looks after Chibiusa, appearing across multiple story arcs. She also provided the voice for U-Tomodachi, a minor character in the series.
Kumiko Nishihara is a Japanese voice actress from Chigasaki, Kanagawa, born in 1965. Her Diana role places her alongside Luna and Artemis in the franchise's talking-cat lineage.
Nishihara has spent her career at Aoni Production, one of Japan's major voice acting agencies. She is also active in stage performance alongside her voice work.
Outside Sailor Moon, Nishihara is recognized for playing Iris Chateaubriand in the Sakura Wars franchise. This is one of her most notable non-Sailor Moon credits.
Nishihara has been active as a voice actress since 1984. Her career has continued from that debut through decades of work at Aoni Production.
This content is original writing by Daddy Jim Anime based on the Sailor Moon anime series, manga, and official materials. Sailor Moon was created by Naoko Takeuchi, published by Kodansha, and animated by Toei Animation. All rights to Sailor Moon and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
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