Rhea (Supergirl)



Rhea, queen of Daxim is the mother of Mon-El and the secondary antagonist in Supergirl season 2. Having desperately searched for her son for so many years that once she and Lar have found him on Earth, she wanted Mon-El back so badly but when Kara refused to cooperate with her demands, Rhea becomes a ruthless enemy to the girl of steel and is now hellbent on wanting to kill Supergirl and get her son back no matter how many innocent lives she will destroy and kill to do it.