Clan Theta was a Mandalorian clan established sometime after the Clone Wars on the moon Dxun. The founder was a veteran of the Clone Wars, CT-1971, who had gained small knowledge of the Mandalorian culture while stationed on Concord Dawn. The clan was largely geared towards other veterans of the war, who detested the treatment of the clone soldiers. Every few years, the members of the clan would fly to Coruscant to protest the ongoing Galactic Civil War. After CT-1971's death, his son, Horatio Theta, would reject the right to become the next elder. Clan Ordo would take control of the clan until Horatio's return, when he would defeat Clan Ordo's elder in a duel.