King, whose birth name is Harlequin, is a central character in the anime series Nanatsu no Taizai, also known as The Seven Deadly Sins. He is the Fairy King and one of the members of the Seven Deadly Sins, representing the sin of Sloth. Despite his title, King is a caring and selfless individual who deeply values his friends and fights to protect them. He wields the Spirit Spear Chastiefol, which has multiple forms and can be controlled telekinetically. King is characterized by his short stature, youthful appearance, and his deep love for his childhood friend, Diane.