Hatsune Miku (初音ミク) is a Japanese VOCALOID developed and distributed by Crypton Future Media, Inc., and was initially released in August 2007 for the VOCALOID2 engine. It is part of the Character Vocal Series. There has since been numerous installments such as additional voice banks dubbed 'Append', as well as an upgrade to the VOCALOID3 engine, which includes her long awaited English vocal release. She was the first release for Crypton's VOCALOID Character Vocal Series, the third Japanese VOCALOID, and the seventh VOCALOID to have been created overall. She is considered the most popular and well known VOCALOID and the first to become a pop idol.
Her voice is provided by the Japanese female voice actress, Saki Fujita (藤田 咲, Fujita Saki).[1][2]