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A catgirl is a female character with cat traits, such as cat ears, a cat tail, or other feline characteristics on an otherwise human body. Catgirls are found in various fiction genres, and in particular Japanese anime and manga where they are more commonly referred to as neko (猫, literally cat) or nekomimi (猫耳, literally cat ear(s)), in cosplay activities both in Japan and around the world, in video games.
Catgirls typically display cat-like behaviors, exhibiting traits such as playfulness, mischievousness and deviousness. Sometimes this may include cat gestures or sounds in written or verbal communications. An often used running gag is that catgirls habitually end their lines of speech with the phrase (にゃあ) nyā, the Japanese onomatopoeia for a cat's meow.
In anime and manga regular humans will sometimes sprout cat ears or a tail in order to illustrate their excitable or playful personalities. This is similar to the phenomenon of becoming chibi. Additionally characters may be portrayed with a catlike mouth to emphasize mischievous thoughts or comments by a character.
In Western cultures 
Catgirl or catgirl-like characters are found outside Japanese anime, manga, and video games. Some prominent examples are listed below. For more, see the article List of catgirls.
- In 1924, Kenji Miyazawa (he was a Japanese author of children's literature in the early Shōwa period of Japan.) was criated Yukibango she is a cat girl, in his first collection of children's stories Chūmon no Ōi Ryōriten (注文の多い料理店, The Restaurant of Many Orders) .
- Catwoman and Cheetah from DC comics (dating back to 1940), "The Cat Girl" in issue 9 (1960) of the US comic Adventures of The Fly
- Hepzibah, of the Marvel Comics super-team the Starjammers and, later, the Uncanny X-Men
- Josie and the Pussycats in the early 1970s
- Teenage Catgirls in Heat
- Lieutenant M'Ress in the animated Star Trek
- Cheetara from ThunderCats
- Cordwainer Smith's cat-derived Underperson C'Mell, who appears in Norstrilia and The Rediscovery of Man
- Doctor Who Catkind
- Shizuka Nekonome from Rosario + Vampire.
Other Media 
- Fantasy games catgirl characters include Magic: The Gathering's Mirri and Purraj, and the catgirl monster in the d20 Munchkin Monster Manual.
- Khajiit in the Elder Scrolls video game series.
-also an anime known as Tokyo Mew Mew, along with its sequel, Tokyo Mew Mew A La Mode.
Enough of a subculture has developed for various themed conventions and events to be held around the world.
See also 
|Wikimedia Commons has media related to: Catgirls|
- The Catgirl Research Foundation Catgirl info center - art, fiction reference, science, mythology, discussion forum, links database.
- Catgirl Community & Lifestyle Information
- Catgirl at TV Tropes