3D cartoon pumpkin head character, wearing a witch hat, sitting on a large pumpkin, holding an electronic cigarette. Surrounded by small ghosts, skeletons, tombstones, and candies. Pixar style, cute Halloween theme. Deep purple background, orange yellow as the main color tone, with neon green accents. Pumpkins emit internal light, volume light, and soft night light and shadow. Centered composition with distinct layers, with the words' HAPPY HALLOWEEN 'above. Smooth clay texture, high gloss. The atmosphere is playful and mysterious, full of festive feeling. 8K， Ultra high definition, masterpiece, best picture quality.
