The Top Ten Anime Girls, Chi

Number 5. Chi (Chobits)

Chi (or Chii) is a character from the manga and anime series Chobits, that also appears in the series Tsubasa: Reservoir Chronicle and Kobato.
She is a Chobit (a persocom or personal computer) created by Ichiro Mihara.
The name Chobit comes from her creator who called anything "small and hopelessly adorable" Chobi.
So two Chobi, Chi and her sister Freya, became "Chobits".

Chobits - Persocom (Vol. 1)

Tsubasa: Reservoir Chronicle

Tsubasa: Reservoir Chronicle is a manga series by Clamp (a Japanese mangaka group).
It is currently being serialized in Shōnen Magazine.

It was adapted into an anime series, Tsubasa Chronicle (renamed Tsubasa: Reservoir Chronicle in English) animated by Bee Train.
It was aired in 52 episodes over two seasons during 2005 and 2006.
Three OVAs (original video animation) were also released in every two months, from November 2007 through March 2008.

As of September 1st, 2008, the English dub is being broadcast on the Funimation in the United States.
The English dub is also being broadcast by Animax across its English language networks in Southeast Asia at the beginning of 2006 under the title 'Chronicle of The Wings'.
Tsubasa Chronicle was released in the United Kingdom by Revelation Films in September 2007.
Tsubasa Chronicle Season 2 will also be released in the UK.
Both seasons and the movie (Tsubasa Chronicle the Movie: The Princess of the Country of Birdcages) are licensed for release in North America by FUNimation