Hatsune Miku
Hatsune Miku was the first Vocaloid developed by Crypton Future Media after they handled the release of the Yamaha vocal Meiko and Kaito. The name of "Hatsune Miku" was conceived soon after the Vocaloid 2 announcements, when an English and Japanese vocal were developed for the character. The intended design was delayed and later used for Megurine Luka instead. Miku was intended to be the first of a series of Vocaloids called the ""Character Vocal Series"", which included Kagamine Rin/Len and Megurine Luka. Each had a particular concept and vocal direction.
Hatsune Miku
An English voicebank for Hatsune Miku was announced in 2011 and was to be released by the end of 2012. However, the decision to move to Vocaloid 3 and issues with English pronunciation delayed the release. It was finally released on August 31, 2013 via digital distribution.