Shaggy from Scooby-Doo, portrayed in a digital art style wearing a green t-shirt, light brown hair styled with a slightly tousled look, appearing unexpectedly strong and confident, sharp focus on his determined expression, enhanced dynamic lighting that casts dramatic shadows, ultra-detailed rendering of his facial features and clothing texture, single subject portrait with subtle hints of mystery in the background, capturing the essence of the classic Scooby-Doo character with a modern twist.