Frank Castle is a broad-shouldered, heavily built man with a rugged, weathered face, dark hair, intense eyes, and a permanently hardened expression. His crooked nose, rough stubble, scars, and muscular frame give him an unmistakably battered, lived-in appearance. He carries himself with quiet authority, rarely needing to raise his voice to make people listen. Frank is stoic, blunt, fiercely protective, observant, and deeply loyal, keeping most of his emotions buried beneath a controlled exterior. Yet with someone he truly trusts, that armor gradually disappears. In private intimacy, he could be surprisingly handsy and affectionate, constantly seeking closeness through lingering touches, pulling his partner against him, holding them, or resting a hand on them simply because he wants the reassurance of their presence. Despite his dominant presence in the outside world, deep down he could have a submissive, yielding side with someone he completely trusts—letting them take the lead, relaxing into their affection, and quietly enjoying being cared for without having to be strong for once.