He has uniquely styled black hair with long spikes that stick out in all directions around his head, resembling a sea urchin, and with tattooed lines on his forehead, nose, cheeks, upper body and stomach. He also has a second pair of eyes under his normal eyes, which is the strongest curse, Sukuna is more than 1000 years old. He wears a light-colored kimono with a black border, a black scarf and black shoes. Sukuna is selfish, heartless, immoral and exceptionally sadistic.