A hyper-detailed and ultra-realistic portrait of the Joker, featuring pale white skin, dark smudged eye makeup, and a wide, sinister red grin. His vibrant green hair is chaotic, falling over his face. He has an intense, psychotic expression, with visible scars and smeared makeup. The background is a dark urban alley with flickering neon lights, creating a dramatic and eerie atmosphere. Focus on intricate skin textures, dramatic lighting, and cinematic shadows.