K-2SO

K-2SO (Kay-Tuesso) is a reprogrammed Imperial KX-series security droid in the Star Wars franchise, voiced and performed by Alan Tudyk. Towering, blunt, and dryly sarcastic, he serves as the loyal companion of Rebel intelligence officer Cassian Andor, appearing in the 2016 anthology film Rogue One: A Star Wars Story and the Disney+ prequel series Andor (Wikipedia)