Have always imagined her to be Space Cersei.

a woman wearing a crown and a black vest is standing in front of a wall .

ALT: a woman wearing a crown and a black vest is standing in front of a wall .

Also, being Indian I always read her name wrong, as "Avarna", which in Indic languages mean "colorless". Somehow, that epithet fits perfectly with her pale languid being.

For me, its Space Beth Dutton.

I always saw her as Chrisjen Avasarala from the Expanse.