Windows 7

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Nanami Madobe
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Character information
Common name Windows 7-tan
Also known as Vienna, Blackcomb, 7-tan
First appearance 22 Oct 2009
Height Roughly 5'8" (172.7 cm)
Hair color Blue
Eye color Blue
Faction Windows Family
Lineage WinNT
Technical information
System personified Windows 7
Developer(s) Microsoft Corporation
Debut 22 Oct 2009
Latest release Build 7601; Service Pack 1 (22 Feb 2011)

Technical Details

Windows 7 is an operating system first released on July 22nd, 2009, and to the general public on October 22nd, 2009. It built off of many of the same features introduced in Windows Vista, upgrading them and improving them to be more stable. Windows 7 also introduced multi-touch support, an updated shell, and the HomeGroup networking system. Windows 7, unlike XP and Vista, did not feature many Microsoft programs (such as Movie Maker and Photo Gallery) standard, but instead as part of a free download named Windows Essentials.

Nanami Madobe

Nanami Madobe is the unofficial mascot representing the Windows 7 operating system made by Microsoft. Although it was largely believed that Nanami was official, it was revealed later on that she was designed by artist Wakaba and made by Windows 7 Mania (owned by Techno Alliance Corp). However, her creation led to the first official Microsoft OS-tans, Hikaru Aizawa and the Bing girls. Nanami was a part of a theme complete with images and audio voiced by singer and voice actress, Mizuki Nana, and was released with the first 7777 copies of Windows 7 Ultimate in Japan.

Nanami is depicted as a 15 or so year old girl, with a blue bob cut similar to Windows 2000's and Windows 98's, a schoolgirl-like outfit with the front of the vest shaped into a "7", a rainbow broach in the middle of a bow (possibly being a blended representation of the Windows Logo) and a hairband with a 4-leafed clover shaped pin on it in the colours of the Windows logo. Possibly referencing her increased stability and decreased dependence on RAM, she has a smaller chest than her predecessor, Vista.

Other Versions

Though Nanami is the generally accepted representation of Windows 7, there are other 7-tans out there, mostly made by the Futaba community. Similar to Vista's release, there seemed to be a bit of a boss-rush of -tans competing for canonism.


Although most often seen as a silhouette, Vienna-tan is depicted as almost an older-looking version of Inu-T, with more mechanical-looking ears and longer hair and tail. She was named for 7's codename, Vienna, and was used as a placeholder while the community waited for the OS's release.

The 7-tan Lolis

With the flood of -tans with 7's release, a couple non-canon and semi-canon loli-type mascots were released. The Futaba Loli has silver hair and red glasses, and wears some sort of grey headpiece. she wears a frilly skirt and a tube top, and is commonly depicted with a mouse pointer squeezing her in some way. There is a picture of an older version of her here. The other loli of mention is around the same age region as Futaba's, with white hair, pale skin, and blue eyes. She wears a dress made out of the new Windows logo, with long white sleeves and a bow. Her hair is curled into twindrills in the front, toward the bottom, and she wears hairclips on either side of her head that look like reddish bubbles with "7" inside. she has a generally sleepy demeanor. Given her depictions and overall look, she is a heavy reference to Chivistan, one of the Windows Vista characters. A picture of her can be seen here.

The 7 Cosplays

It became something of a mini-meme to have pictures of the current -tans dressing up in only some tape over their bodies (and some variations, depending on the -tan) in the shape of a "7", in the belief that they wanted to be 7-tan to gain a resurgence of popularity and maybe a second chance at being top dog. Given the small amount of art of this, they can also be disputed as cosplay pictures of the respective -tans rather than a variation of 7's mascot.

The Bing Girls

See Also: Bing Girls

As part of a campaign to promote their search engine Bing, Microsoft's Japan branch created 5 characters for Windows 7 in the spirit of Nanami, with wallpapers and voicepacks. A picture of them can be seen here.


Nanako is depicted as a "girl next door" type, with a sweet and gentle demeanor. She is a junior in college in her mid 20's, with long, dark hair with bangs held back by a Windows logo clip, and in a brown dress with a tan apron.

  • Birthday: September 20 Virgo
  • Blood Type: O
  • Favorite Place: Kichijoji
  • Circle: Theater Circle
  • Hobbies: Reading, Theater-going

Voice Actor: Takita Juri (Voiced Otonashi Kotori of THE iDOLM@STER)


Nanae is a mature OL (office lady) with auburn hair done up in ringlets. She has a serious-but-sweet manner, dresses in bright blue office attire and appears to be in her late-twenties.

  • Birthday: November 14 Scorpio
  • Blood Type: A
  • Favorite Place: Aoyama
  • Hobbies: Yoga, Internet Shopping

Voice Actor Seiyuu: Nakamura Eriko (Voiced Amami Haruka of THE iDOLM@STER)


Nana is a young girl with a high-pitched, childish voice, playful demeanor, and brown hair done up in a fluffy, cute ponytail. She doesn't look more than 10, and wears a striped shirt with overalls.


Not to be confused with Nanami Madobe, Bing's Nanami is a kuudere (cold, emotionless girl) AI with purple hair in pigtails. She is serious and semi-robotic (especially about her work,) but seems to be an alright girl overall.

  • Birthday: ?
  • Blood Type: None
  • Hobbies: None

Voice actor: Imai Asami (Voiced Kisaragi Chihaya of The iDOLM@STER and Bloody Selica of Fight Ippatsu! Juuden-Chan!!.)


Nanao is a sporty tomboy who wears a pendant in the Windows colours around her neck. She has a short mop of black hair and typically wears a black jacket. She can sometimes be seen with a basketball.

  • Birthday: May 17 Taurus
  • Blood Type: O
  • Favorite Place: Harajuku
  • Hobbies: Cycling, Basketball

Voice Actor: Fujita Saki (Voiced Hatsune Miku.)

Other Renditions

There are multiple other renditions of 7-tan. Notable ones include a girl in her late teens with long, ice-blue hair and a schoolgirl-style outfit. Another is a mid-to-late-teens girl with short blonde hair worn with a black headband, and a black, blue, and orange outfit. Both of these are said to borrow/reference heavily from Vistans.

See Also