Hatsune Bagu is composed by 50 Bagus. Each Bagu produces japanese sounds, for example, this one speaks "A" only. Like the real Miku, the voice used is Fujita Saki's voice. Character design "Usavich" and worked on making the CG is in charge of production Kanabangurafikkusu.

(Be prepared for the FIFTY Miku Eggs Collection...)

For more info and pictures http://ichigo-cyber-world.blogspot.com/2010/04/hatsune-miku-hatsune-bagu.html