Scar was a male lion. He was the king of Pride Rock who succeeded Mufasa and preceded Simba. He was the younger brother of Mufasa and the uncle of Simba.
In his youth, Scar was tasked with leading the Lion Guard, a legendary group of lions who defended the Circle of Life and protected the Pride Lands. As the group's leader, Scar was gifted with a powerful roar called the Roar of the Elders. Over time, his power and position led him to believe that he should be king instead of his elder brother, Mufasa. As a result, he tried to stage a coup with the rest of his Lion Guard, but they refused to assist him in his plot. In retaliation for their insolence, Scar destroyed them with the Roar of the Elders, but this cost him its use forever, for it could only be used for good.