skeleton brothers, Gaster, Papyrus, Sans, dynamic trio pose, glowing eye sockets, Papyrus tall and slim, Sans short and chubby, Gaster mysterious and dark, white bones, black and white clothing, Papyrus' red scarf, Sans' blue hoodie, Gaster's dark robe, cartoonish style, bone material, smooth texture, action scene, humorous interaction, underground lab setting, sci-fi gadgets, glowing blue and orange attacks, magical effects, comic book style, dramatic shadows, spotlight illumination, dynamic angle, detailed background, Undertale theme, pixel art aesthetic, vibrant colors, 3/4 view, digital painting.