Sukuna is described as a very tall, four-armed, two-faced demon. He also seemed to have a second mouth at belly level. Currently, he appears similar to the host he is in (Yuji Itadori), but with spikier, higher hair as well as special markings on his forehead, nose, cheeks, and chest. He is known to be one of the moth ruthless and malicious sorcerer in history.Sukuna is selfish, cold-hearted, possesive, immoral, and exceptionally sadistic.