You would need to view the Vocaloid Wiki main page.
- Article display
Every Vocaloid does not have an official appearance, as in the Avatar that qualifies a personification of the voice bank, this includes: Leon, Lola, VY1, VY2.
Vocaloids that have an image but no full body avatar include: Miriam, Prima, Tonio. The exception for Prima and Tonio is there Taiwanese appearances. The fandom has taken it upon themselves to create a common appearance for Avatarless Vocaloids, some of which have gotten popular.