Harley Quinn, naughty, playful, Joker's girlfriend, red and black jester costume, pigtails, colorful clown makeup, bright blue eyes, bold eyebrows, seductive smile, torn fishnet stockings, black leather jacket, chunky combat boots, holding a giant mallet, leaning against a graffiti-covered city wall, night scene, dim streetlights, smoky atmosphere, dynamic composition, low-angle shot, dramatic shadows.