Stefan Kriege is a character in Wolfenstein. He is a member of the Black Market and will sell B.J. ammo and upgrades along side his brother, Anton. He was also the one that shot him right after he try to leave the Black Market after he revealed everything that he have work with Leonid Alexandrov to give information to the Nazi especially, where they try to move their new location helping the enemies, when he make a false report of the Kreisau Circle Agent to trap Caroline Becker letting resistance into the Castle.