K-2SO, is a droid programmed for security and strategic analysis who appears in the 2016 film Rogue One: A Star Wars Story. K-2SO was formerly a security droid for the Galactic Empire, but was reprogrammed by the Rebel Alliance to fight against the Empire. He is known for his sarcastic and blunt personality, as well as his formidable combat skills.
For more info on K-2SO, visit the entire Wookipedia Article on K-2SO.
K-2SO #146 (2016) - Link Here
K-2SO (With Blaster) #179 (2017) - Link Here
K-2SO (Battle Damaged) (Jedha) #146 (2021) - Link Here