Sado is a teenager of Mexican and Japanese descent. He is dark-skinned with pronounced cheek-bones and has wavy brown hair with bangs that generally hangs over his brown eyes. He is a muscular and extremely tall man and appears to be much older than he actually is. Sado has a tattoo on his left shoulder which reads Amore e Morte ("love and death" in Italian) and consists of a heart with a snake and angel wings around it. He typically wears either his school uniform or flashy short-sleeved shirts