K-2SO is a droid from Rogue One: A Star Wars Story. He is a security droid built for the Galactic Empire until he was reprogrammed to serve the Rebel Alliance.
- K-2SO will meet Hiatt Grey's Engines in Hiatt Grey's Engines' Adventures of Rogue One: A Star Wars Story, but he will be reprogrammed after the engines explain the story. But has no memories of the events of what happened.
- K-2SO will meet Wilson, Brewster, and Koko in Wilson, Brewster, and Koko's Adventures of Rogue One: A Star Wars Story