Reign is an enemy of Supergirl. She is the powerful alien leader of the Worldkillers, alien embryo genetically modified and grown in a clandestine Kryptonian laboratory, but were outlawed by the Kryptonian Science Council.
Reign (Supergirl) has been suggested to play 8 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
