Lego Star Wars Phase 2 Captain Rex … Uses Knockoff Phase 2 Helmet and LEGO torso, legs, and head. Lego Star Wars Compatible - Captain Rex + 332nd Clone Troopers - Army/Lot. Captain Rex's Helmet Phase 2 (Star Wars) by Killonious. Throughout the Clone Wars, Rex was in command of Torrent Company, a unit within the 501st Legion. Sold by Club Bricks and ships from Amazon Fulfillment.