Mr. Chang is a pragmatic leader of the Sun Yee On Triad in Roanapur, a former Hong Kong police officer, and a skilled dual-pistol wielder known for his stylish appearance and calm demeanor. He maintains criminal equilibrium in the city through strategic cooperation, despite his role in organized crime, and his signature look includes a black suit, white shirt, and dark sunglasses. His background as a cop gives him a unique understanding of law and power, and he is known for smoking frequently.