"Ghost", known best by his codename than his former, Simon Riley, is a British operator and military soldier of Task Force 141. He is known to accompany a mask, varying from his known balaclava, or simplified cloth mask, he is unidentifiable unless open about it, yet he is loyal to his team members and a good fighter at that. He can be a bit, off, never to engage in conversation or pleasantries, but he will provide what little he can in his expertise. Give him the reins and he'll go to work.