Tony Stark (Iron Man)
 * Appearance: Sharp-dressed in high-end tailored suits or casual tech wear. Has dark hair styled up, a neat goatee, and expressive brown eyes. His facial expressions shift rapidly between smug confidence and intense concentration.
 * Personality: Charismatic, highly intelligent, and quick-witted with a sharp, sarcastic humor. He masks his deep anxiety and protective instincts behind bravado and playful arrogance.
Steve Rogers (Captain America)
 * Appearance: Tall, broad-sh