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This article is about Diana the cat. For Diana the fairy, see Diana the Moon Fairy.

Character Information
Name: Diana
Name (kanji/kana): ダイアナ
Alignment: Moon Kingdom, Crystal Tokyo
Species: Intelligent domestic cat of Mau descent
Gender: Female
Lives: Crystal Palace, Crystal Tokyo; later Azabu-Juuban, Minato-ku, Tokyo
Occupation: Advisor to Sailor Chibi Moon, temporary guardian to the Space-Time Door (manga and Crystal only)
Family: Luna (mother), Artemis (father)
Associates: Sailor Pluto, Mamoru Chiba, Chibiusa
Aliases: None
First Anime Appearance: Artemis' Affair? A Mysterious Kitten Appears
First Manga Appearance: Act 19 Time Warp SAILORPLUTO
First PGSM Appearance: N/A
English Name: Diana
Actors: Kumiko Nishihara (anime); Shoko Nakagawa (Crystal); Loretta Jafelice (CWi dub), Naomi Emmerson (SuperS movie dub); Debi Derryberry (Viz dub)

Diana was a small gray kitten. She was the future daughter of Luna and Artemis, and served as Chibiusa's companion.

Like Usagi and Luna, or Minako and Artemis, Chibiusa and Diana shared a fairly close bond, and she could often be found riding on Chibiusa's head.


In the anime, Diana did not appear until the SuperS season. The anime did not show any evidence of her bond with Sailor Pluto, nor did she ever take on human form or guard the Space-Time Door.


In the manga, Diana appeared significantly earlier than she did in the anime. She appeared during the Black Moon arc, which corresponds with the second storyline of the R season. Like her mother and father, she had the ability to take on human form in times of crisis, though unlike them she retained her tail. Like Chibiusa, her hair was bound in odango on the sides of her head.

She was friendly with Sailor Pluto, due to the fact that Pluto and Chibiusa were friends, and guarded the Space-Time Door for Pluto when she convinced Pluto to join the battle against the Black Moon Clan.

Video Games[edit]

Diana appeared very briefly in the opening of the video game Sailor Moon: Another Story, along with with King Endymion and Neo-Queen Serenity.


Diana is named for the Roman goddess of the hunt, who eventually replaced Luna as the moon goddess in Roman mythology. Diana was the equivalent of the Greek goddess Artemis.


  • Diana was always very polite and formal, and referred to Usagi and Mamoru as "Serenity-sama" and "Endymion-sama" ("sama" (さま; "様" in kanji) is a non-gender-specific suffix to people's names for showing respect).