Joker

Joker is a character in Call of Duty: Advanced Warfare. He first appears in the level "Atlas". He is a member of Atlas Corporation, much like Gideon.

Biography
Joker joined the Atlas Corporation at a unkown time and circumstances, but become a excellent soldier. He seems to be under the command of Gideon since his employment (giving him the nickname "Boss").

Rescuing P.O.T.U.S.
In Atlas, Joker appears as the follow leader of Jack Mitchell to rescue the President of the United States. Stealthy going through David's Camp. Getting in, they fight their way through and rescuse P.O.T.U.S. On ending the mission, they failed the test with Mitchell's new prostetic arm malfunctioning, Gideon kills P.O.T.U.S. and orders Joker to restart the course after Mitchell's go through training.

In Traffic, he accompanies Gideon, Mitchell,to help Ajani rescue the Samuel Abidoyo from Hades. The mission is sucessful, with Mitchell saving Abidoyo and the hostages in the van. Afterward, Gideon, Joker, and Mitchell are enjoying a beer and crack jokes until Jonathan Irons comes in, telling them they did a good job and celebrates with them.

In Fission, he fights to stop the reactors in Seattle, Washington to explode. 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 helped the globe, and rebuild cities and countries.

In Aftermath, four years after the reactors destrcution, he accompanies Gideon, Mitchell, and Torres into what's left of Detroit to find Dr. Pierre Danois and capture him for information on Hades. Capturing, they leave on their Hoverbike's as XS1 Goliath's kill the rest of KVA troops.

In Utopia, Joker appears towards the end of the mission with Gideon, holding Mitchell and Ilona at gun point for their treachery (after getting evidence of Irons killing the Technologist. He is ordered to stand down, and watched Gideon let the two go with Cormack, the leader of the Sentinel Task Force, his current status is unkown or if he stayed in Atlas.