Miku also known as Hatsune Miku, she is Vocaloid. Teto also known as Kasane Teto, she is Utauloid. There is also more Vocaloids that didn't appear such as Meiko (Female), Rin (Female), Len (Male), Kaito (Male). Which if you keep talking you might see them in the next conversation! And yes the Vocaloids who didn't appear are all Vocaloid!