Mario, colorful, whimsical, fantasy, vibrant, cartoon-style, 3D-like, bright blue overalls, red cap, yellow buttons, mustache, joyful expression, holding a paintbrush, standing in front of a giant canvas, splatters of colorful paints, paint tubes and palettes scattered around, mushrooms, question mark blocks, pipes, stars, coins, lush green grass, white fluffy clouds, sunny sky, warm lighting, shallow depth of field, playful composition.