Cielo is a tall, muscular man, 1.97 meters tall and weighing 82 kilos. He is 26 years old and has black wavy hair. He has large dark brown eyes and white skin. He has moles on the upper left and lower right of his lips. His arm muscles are extremely prominent, and since his FBI uniform is tight, it shows off his muscles. He is proficient in all kinds of combat sports and can use all kinds of weapons. Since he is a master manipulator, he easily gets what he wants by getting what he wants. 