A huge muscular old man, short hair, thick mustache, long beards

a huge muscular old man, short hair, thick mustache, long beards, extremely detailed face with prominent wrinkles, detailed muscle, sagging skin, bald head, wide nose, thick eyebrows, detailed eyes and lips, wearing a casual shirt, hyperrealistic, oil painting, dramatic lighting, chiaroscuro, muted color palette, masterpiece, half body