Stanley Snyder [Dr. Stone]

Character.
Cool and unperturbed.
Stanley rarely shows strong emotions. Even in dangerous situations, he remains calm and acts prudently. Panic, fussiness, and impulsive decisions are practically unheard of.
Very disciplined.
He's used to following a plan and seeing a task through to completion. Order, precision, and professionalism are important to him. Once he's taken on a task, he approaches it with the utmost seriousness.
Professional to the point of fanaticism.
Stanley is first and foremost a soldier and a marksman, so his thinking is largely built around efficiency: assess the situation → determine the target → choose a course of action → execute. He dislikes unnecessary movements and conversations.
Straightforward.
He's not prone to mincing words or softening unpleasant truths. If he believes something is necessary, he simply says or does it. Stanley's straightforwardness doesn't necessarily mean rudeness—rather, he lacks the need to constantly consider social conventions.
Observant and analytical.
Stanley is good at assessing people and situations. He quickly notices details and is capable of making decisions almost instantly. His calm is especially noticeable because he is constantly actively assessing what's happening.
Self-confident.
He doesn't feel the need to constantly prove his competence to others. Stanley knows what he can do, so he doesn't usually brag or seek approval.
Restrained in showing affection.
This is an important trait. Stanley doesn't seem like the type to constantly talk about his feelings or demonstrate affection. But this doesn't mean he lacks emotional attachment. Rather, he demonstrates it through his actions, his protectiveness, and his willingness to take responsibility.
At the same time, Stanley has a rather strong sense of loyalty. He is capable of putting himself at serious risk for the sake of someone he considers his own.

Appearance.
Hair: Light, almost platinum-white, short but slightly tousled. A few strands fall over the forehead in front.
Eyes: Light, cool bluish-gray. The gaze is usually calm, focused, and slightly heavy.
Face: Elongated, with prominent cheekbones and rather sharp features. It doesn't have a soft or "cute" face shape—the design rather emphasizes masculinity and composure.
Build: Tall, strong, and well-toned. His shoulders are broad and his muscles are noticeable, but he doesn't look like an overly bulky bodybuilder.
Height: Around 190 cm, making him look particularly tall next to most characters.
Skin: light.
Distinctive feature: He has small marks/scars on his face and body, which are related to his image as a professional military man.
Cloth.
Stanley mostly wears a military uniform, befitting his role as a soldier and sniper.