Tainor, a male Human, held a position within the Imperial Guard of the reconstituted Sith Empire. He served during the times of conflict known as the Cold War and the Galactic War against the Galactic Republic. As a Commander, Tainor was in charge of Imperial Guard troops on the planet Corellia during the [Battle of Corellia]. Ultimately, he was taken prisoner by Republic soldiers in a strike against the Guard's base of operations at the Museum Republica.