|Faction||Confederacy of Independent Systems|
Zeta Magnus, also known by the most common name of his first variant, Atha Prime. was a master geneticist and terrorist, and an enemy of the Galactic Republic. He was most often aligned with the Confederacy of Independent Systems, and in several universes with Darth Sidious, though Sidious usually wound up banishing him from the galaxy when his usefulness was at an end.
Blue-Tark often assisted him.