Cor-Vex is the unborn son of Seg-El and Nyssa-Vex.


When Seg-El and Nyssa-Vex were to be bound, they headed to the Genesis Chamber where they had the Oracle determine their future child. Cor-Vex was said to best be suited for the Lawmakers Guild, living for 173 cycles.[1]

During the season one finale, his mother evacuate him from the Genesis Chamber and transport him into a Medusoid to save him from being part of the imminent collection of Brainiac. On her way out, Nyssa encounters Jax-Ur who reveals to her that she is a clone conceived via the Vara Protocol.


Cor-Vex was said to be of good character.[1]


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  1. 1.0 1.1 Goldberg, Ian, Goyer, David S. (writers), Donnelly, Ciaran & McCarthy, Colm (directors) (March 21, 2018). "Pilot". Krypton. Season 1. Episode 1. Syfy.