Hatsune Miku
Since the success of her Vocaloid 2 package led to an expansion of marketing possibilities, most of the mass marketing has come after her initial release as a response to her popularity and has been on going since 2008. Even with the addition of other Character Vocals, Miku's name continues to be used as the primary source of marketing for Crypton Future Media, to the point where most products for their Vocaloid related products will usually only feature Hatsune Miku's name. In March 2012, the Nomura Research Institute estimated that the sales of all Hatsune Miku brand goods added up into the region of since her release in 2007. Her name is easily the most recognizable of all Vocaloids.
Vocaloid 2
VY2 was the second addition to the "VY" series, after VY1 and was designed to compliment the VY1 voice, its codename is "Yūma". The voice of VY2 is masculine and sings in Japanese. It was released on April 25, 2011. VY1 it also was designed to be unbound by having no set avatar allowing it to take any appearance, sex or age. Effort was made to disassociate VY2 with anything personal, bares a sword on the boxart because they felt items such as clothing would be too personal but chose its codename to help direct producers to the direction the voice was heading for of a handsome young male. A producer working with the VY2 found when he wrote a song that VY2 was the only male Japanese vocal that could produce a quality of vocal good enough for the song and he labelled the vocal as the best Japanese male. When producing this vocal, the developers had compare it also with other masculine vocals within the series (excluding Ryuto and Kagamine Len, both of which are voiced by female vocalists), with only the Gackpoid software coming close to VY2.