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This page is about the cat. For the unused fairy character, please see Diana the Moon Fairy.


Japanese: ダイアナ
Romanji: Daiana
Residency: Crystal Tokyo

Advisor to Sailor Chibi Moon


Luna (mother)
Artemis (father)


Crystal Tokyo

Gender: Female
Species: Cat of Mau descent
First Appearance
Manga: Act 19 Time Warp - Sailor Pluto
Anime: Artemis' Affair!? A Mysterious Kitten Appears
Anime Voiced By: Kumiko Nishihara
Loretta Jafelice (CWi English dub)
Debi Derryberry (Viz Media English dub)

Diana is the daughter of Luna and Artemis in the future, as well as Chibiusa's advisor. This is the original depiction of the character created by Naoko Takeuchi.

Nomenclature & Etymology


Diana's name is a variation of her father's name, Artemis. Artemis is named after the Greek Goddess of the hunt and the moon, and its Roman equivalent is "Diana".



In the manga, Tin Nyanko says they are creatures from the planet Mau. This is never mentioned in the anime. Also never mentioned in the anime is that Diana, along with her parents, Artemis and Luna, can take human forms due to Sailor Moon's power. In her human form, Diana's hair and most of her body resembles Chibi Chibi's.


She appears from the future in Sailor Moon SuperS. She is the only guardian cat to wear a collar with a jingle bell around her neck. Apparently, she has come to the present in order to not only keep an eye on Chibiusa, but to gain real-life experience. Diana appears to be small, sometimes timid but at the same time brave and smart. Her being Chibiusa's Guardian, she is also very wise and is often very reasonable. Despite her parents mentioning that she doesn't know very much about the 20th century and what she shouldn't do (such as exposing to other human beings that she has the ability to speak), she is well aware of the rules of being in society.


Like Chibiusa, King Endymion and the four Sailor Senshi of the inner Solar System, Diana was one of the few who had managed to withstand the Black Moon's assault and not fall unconscious like the rest of Crystal Tokyo's subjects and queen. She says by her beloved King's side and is determined to do whatever she can to save their homeland.



Diana's name is a variation of her father's name, Artemis. Artemis is named after the Greek Goddess of the hunt and the moon, and its Roman equivalent is "Diana".


  • Unlike the manga, she didn't appear at all in the second season with Sailor Pluto.


Sailor Senshi

Solar System Senshi Sailor MoonSailor MercurySailor MarsSailor JupiterSailor Venus/Sailor V
Other Senshi Sailor Luna
Civilian Identities Usagi TsukinoAmi MizunoRei HinoMakoto KinoMinako AinoLuna Tsukino
Allies Mamoru Chiba/Tuxedo MaskLunaArtemis

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