A member of the Homo mermanus race, Andromeda is the illegitimate daughter of Attuma of Atlantis by a woman named Lady Gelva. He did not know of her existence until she confronted him and told him he was her father. Andromeda was raised in Atlantean society and trained in the arts of hunting and war and she exceeded any other male except for her father in these skills. Despite her skills, she was considered unworthy of promotion in the Atlantean military because she is a woman even though she was highly decorated.