[ATLAS][PO]Joker joined the Atlas Corporation at an unknown time and circumstances, but became a excellent soldier. He seems to have been under the command of Gideon since his employment (giving him the nickname "Boss").Joker appears alongside Mitchell to rescue the President of the United States, stealthily going through Camp David. Sneaking in, they fight their way through and rescue P.O.T.U.S. Once all troops seem to have been killed, Mitchell is tasked with extracting the president, they failed the test with Mitchell's new prosthetic arm malfunctioning, Gideon 'kills' P.O.T.U.S. and orders Joker to restart the course after Mitchell goes through training.He later fights to stop the reactor in Seattle, Washington from exploding due to the KVA taking over the reactor. Sadly they don't reach in time and must leave. Doing so, the reactors blows up the building and Carter dies, as he calls it. In the four years, Atlas helps the globe, providing food, shelter, and rebuilding cities and co