solo, male, the devil \(cuphead\), demon, red nose, spade tail, long tail, 4 fingers, yellow sclera, red eyes, black fur, null, wrist tuft, ankle tuft, grey hands, grey feet, half-closed eyes, grin, teeth, horn, pointy ears, standing, cave, fire, hell, handsome, masculine, skinny, slim, masterpiece, extreme detail, simple eyes, full-length portrait, slightly chubby