Westro was a captain in the Forty-second Imperial Infantry, a male Human who fought for the Sith Empire in the era of the Cold War.
Westro commanded a contingent of Imperial troops within the Jedi Temple during the Sacking, engaging the Jedi under the direction of Darth Malgus. In the heat of battle, he managed to fatally shoot one Jedi from behind but sustained a few scars himself. Westro was regarded as the most courageous Imperial soldier.