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General Information
Full NameLeopard
Universe/OriginFutaba Channel
PersonifiesMac OS X Leopard (10.5)
First available2007-10-26
Hair ColorBlonde
Eye ColorBlack

Reobo (れお坊), also known by his real name Leopard, is the OS-kun personifying Mac OS X Leopard, the sixth major release of Mac OS X series.


Reobo is the younger brother of Mac OS 9-tan, Mac OS 9-kun, and the OSX Cats. He is a mischievous boy who is adored by everyone in the Mac OS family. He uses the personal pronoun "sessha" 「拙者」, and ends his sentences with "~de gozaru" 「~でござる」. He refers to his elder brothers with "anija" 「兄者」.

He is a childhood friend of Visbou, and the two often pull pranks on the Windows Family. Despite their opposing genders, Visbou and Reobo get along well as playmates.

After his younger sister Yukihyo was born, he began to take care of her in various ways, such as looking up to her when she is exhausted from the heat.


  • Reobo's speech patterns seems to be influenced by Visbou, since she is a ninja.

See Also

  • Mac OS X, page about the OS itself that also lists alternate personifications.

External Links