OS-TAN Wiki / list

List of OS-tans

Annotated index: families, do-not-merge, CORP vs FAN. For the clickable face grid of everyone on this wiki, use All OS TAN. OSC's dump tries to name every one-shot. We do not. For the long tail, use WIKI.EXE or OSC live.

Windows — Futaba / fan

• Me-tan — Windows Me (first)
• 95-tan — Windows 95
• 98-tan / 98SE-tan
• NT-tan / 3.1-tan / MS-DOS-tan / CE-tan
• 2K-tan / XP-tan / Homeko / 2003 Server-tan
• Vista-tan (disputed)
• Seven-chan / Battenichi-chan / Ten-chan / 11-chan

Other OS

• Linux-tan
• Mac-tan (two casts)

CORP

• Madobe family — Nanami, Yū, Ai, Tōko, Claudia
• Inori Aizawa, Hikaru Aizawa

OURS

• OS TAN — OS TAN

Do not merge

Query	FAN	Other
Windows 7 girl	Seven-chan	Nanami CORP
Windows 8.1 girl	Battenichi-chan	Yū / Ai CORP
Windows 10 girl	Ten-chan	Tōko CORP
Windows 11 girl	11-chan	Ichika fan Madobe; no official

Portraits

Me-tanFANMe-tan is the first OS-tan: a clumsy Windows Me maid posted on Futaba Channel on 6 August 2003.XP-tanCANONXP-tan (Saseko) personifies Windows XP Professional: the memory-hog sister, designed by XP Kaki-Aki / Nac.HomekoCANONHomeko personifies Windows XP Home Edition: green-haired twin of XP-tan, not a reskin of Saseko.2K-tanCANON2K-tan personifies Windows 2000: glasses, mechanical cat-ear clips, the reliable sister and Me-tan's guardian.95-tanCANON95-tan is Windows 95 as a Yamato nadeshiko in a hana256 kimono: won the 1990s PC war, does not understand USB.98-tanCANON98-tan (Hacchan) is Windows 98 first edition: shy, navy bob, golden 98 clip, sometimes a snack-box mech.98SE-tanCANON98SE-tan (Secchan) is Windows 98 Second Edition: aggressive sailor-fuku sister with a can opener.NT-tanCANONNT-tan personifies Windows NT as a mother figure to 2K and XP. Ownership claims by Deja Vu are disputed.Windows 3.1-tanCANON3.1-tan (Ōbaba) is a gothic Windows 3.1 girl, often with DOS-nuko the cat, nicknamed Grandma.MS-DOS-tanCANONMS-DOS-tan is a shy schoolgirl with DOS-shaped hair ties, already on the October 2003 Vault list.CE-tanFANCE-tan personifies Windows CE. On the 2004 Vault list; often a Dreamcast fan because CE code lived in that BIOS.2003 Server-tanCANON2003 Server-tan (Saba-tan) is on OSC's canon Windows list and the 2004 Vault roster as Saba.Vista-tanDISPUTEDThere is no single Vista-tan. Chiivistan is the best-known look; Vistake is a Futaba rival; OSC never froze canon.Seven-chanFANSeven-chan is Futaba's Windows 7 OS-tan by Shimuro (2009). She is not Nanami Madobe.Battenichi-chanFANBattenichi-chan is Shimuro's Windows 8.1 OS-tan. The name is a reading of 8.1. She is not Yū or Ai Madobe.Ten-chanFANTen-chan is Mega Ogre's Windows 10 OS-tan (2016). She is not Tōko Madobe.11-chanFAN11-chan is Shimuro's Windows 11 OS-tan (2022). She is not Ichika Madobe and not an official Microsoft character.Linux-tanCANONLinux-tan is on the 2004 Vault and OSC canon lists. Distro-tans (Debian, Ubuntu, Arch) are usually later separate designs.Mac-tanFANMac-tan is at least two casts: Futaba's generic Mac rival of 95-tan, and +Nijiura+'s OS X catgirls named after big cats.Dr. NortonFANDr. Norton is the Vault-era antivirus personification: a creepy doctor, already listed in October 2003.Nanami MadobeCORPNanami Madobe is the 2009 Windows 7 Ultimate DSP mascot, voiced by Nana Mizuki. CORP, not Futaba's Seven-chan.Yū MadobeCORPYū Madobe is the short-haired Windows 8 Pro DSP twin, voiced by Asuka Nishi. CORP, not Battenichi-chan.Ai MadobeCORPAi Madobe is the long-haired Windows 8 Pro DSP twin, voiced by Nao Tamura.Tōko MadobeCORPTōko Madobe is the 2015 Windows 10 DSP mascot with a fan-voted name. Japanese Wikipedia: not Microsoft-official.Claudia MadobeCORPClaudia Madobe is Microsoft Japan's recognized Azure character from the Cloud Girl manga. Cousin of Nanami in the tree.Inori AizawaCORPInori Aizawa is Microsoft Singapore's 2013 Internet Explorer mascot, not a Futaba IE-tan and not a global Microsoft girl.Hikaru AizawaCORPHikaru Aizawa is Microsoft Taiwan's Silverlight mascot, later given sisters Lei, Aoi, and Yu.Ichika MadobeFANIchika Madobe is Karv's 2021 Windows 11 girl, named by a Reddit poll. Not official, not Shimuro's 11-chan.OS TANOURSOS TAN is the face of OS TAN: periwinkle hair, stacked blue clips, white and cobalt suit. Not a Futaba character and not a Microsoft mascot.

See also

All OS TANEvery OS-tan on this wiki. Click a face for that article.List of canon OS-tansWhat OSC meant by canon, which designs this wiki stamps CANON, and what we refuse to freeze.List of corporate mascotsDSP and subsidiary moe campaigns related to OS-tan, labeled CORP, 2009–2015 plus afterlives.OS-tanOS-tans are moe personifications of operating systems that started on Futaba Channel in 2003. Fan canon is not the later Microsoft mascot campaigns.

Sources

1. List of OS-tans — OS-Tan Collections Wiki, 2010.
2. OS-tan — Moeverse Wiki, 2026. Best English source for Vault chronology, artist credits, and the Futaba / Madobe split.