Captain Cassian Jeron Andor, born Kassa, is the deuteragonist in the Star Wars anthology film, Rogue One: A Star Wars Story and the titular main protagonist of the Disney+ series, Star Wars: Andor.
He was a child soldier turned spy and soldier of the Rebel Alliance, who is tasked with finding the location of Galen Erso so he could be eliminated. When Andor learned of the Empire's superweapon, he decided to rebel against the Alliance to form Rogue One to retrieve the Death Star's plans. Despite his death, the Rebel Alliance would destroy the death star from Galen's plans, granting the galaxy a victory against the Empire.