Sukuna is a fictional character from the popular manga and anime series Jujutsu Kaisen, created by Gege Akutami. He is known as the King of Curses and is a powerful, malevolent spirit who embodies the fear and hatred of curses. Sukuna originally lived as a human sorcerer over a thousand years ago and became a curse after his death, gaining immense strength and abilities. In the series, Sukuna's power is sought after by various characters, including the protagonist, Yuji Itadori, who inadvertently becomes his vessel. This connection allows Sukuna to manifest and exert influence over Yuji, creating a complex dynamic between the two. Sukuna's character is central to the plot, representing the darker aspects of the world of curses and sorcery.