Agent Terex is the secondary antagonist of the 2016-2018 Poe Dameron comic book series.
Terex was a human male who served as a Stormtrooper designated TK-603 in the Galactic Empire. In the years following the Battle of Jakku, Terex became the leader of a crime syndicate on Kaddak known as the Ranc gang. Still determined to rebuild the Empire, Terex joined the First Order, an Imperial remnant that had relocated to the Unknown Regions. By 34 ABY, Terex had become an agent in the First Order's Security Bureau.