Kagami : Mirror (Mirror image, Rin and Len can be considered mirror images of each other, as said by the company)
Hatsune Miku: The first sound from the future I might add more to this as time goes on, but don't hold me to it >.>
Some of these you may or may not already know, and I'm not going to include all the vocaloids, but hope you enjoy reading this anyway.
