I always wondered who created the Avina VI on the Citadel. I assumed it was maintained by the Keepers and was a kind of welcoming program designed by the Citadel itself, resembling the first species that would find the Citadel in their cycle.
This would make Avina a Reaper based programm, wouldn't..... nice tool for the Reaper Vanguard to observe What's going on.
The Asari were the first in our cycle so that would make sense.
This would even end the debate what Asari really look like, as they might be able to twist an organic mind via pheromones or stuff but they can not trick an VI or AI with this.
Anyway now there is an Avina on the Nexus too, which would counteract my Citadel origin theory, as the keepers do mot allow us to scan the Citadel systems, or copy its code programmings.
My bet would be it is merely a light version created in its image, as the databases can be filled in various ways.