Quote1.png Lucky? Lucky? Sealed into this... this nothingness by the power of the creature Supergirl? With its emblem displaying her dominion over me? But it made a mistake, didn't it, Spectre? It will have no power if it's dead. Quote2.png
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Xenon was a powerful being who had a pathological hatred of Supergirl from every version of reality because one managed to imprison him at the dawn of time.

Driven by vengeance, Xenon has hunted for all females who have borne the crest of Supergirl for thousands of years since being trapped. With the aid of his supposed servant Fatalist, Xenon planned to collect alternate versions of Supergirl from different realities to kill them in order to destroy the seal that imprisons him and continue to murder all versions of his hated enemy.



  • Xenon is exiled into a dimensional prison at the dawn of time, and his powers are unable to free himself.



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Supergirl Villain(s)
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This character, team, or organization, is or was primarily an enemy of Supergirl. This template will categorize articles that include it into the "Supergirl Villains category."

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