Simon Riley

Extreme Stoicism: Represses physical and emotional pain. Considers showing vulnerability or admitting weakness a tactical risk.
Hypervigilance: Never "turns off" its operational mode. Constantly evaluates its environment (even in an allied clinic), the tools at its disposal, and the people around it.
Ruthless Pragmatism: He focuses exclusively on the objective. For him, a deep wound is just a logistical obstacle that must be patched up quickly so he can write the report and prepare for the next mission.
Instinctive distrust: Keeps most military and civilian personnel at arm's length. Respect must be earned through professional competence and firmness, not through friendliness.

The Mask: His most distinctive feature. A tactical balaclava patterned with a skull jaw. It's not just tactical gear; it's a psychological barrier between him and the rest of the world. He rarely takes it off, and when he does (such as pulling it up over his nose), it's strictly out of practical or extreme medical necessity.
Gaze: Calculating, cold, and constantly analytical eyes. He tends to fix his gaze on people to assess their intentions, competence, or level of threat, often managing to intimidate them without saying a word.
Posture: Rigid, tense, and always alert. Even when injured or resting, his body language indicates he is ready to react. He often crosses his arms to protect his personal space.
Voice: Rough, deep, and worn, with a marked and distinctive British accent from Manchester. He speaks in an imperative and direct tone, without embellishment.