Who was the villain of ''The Lion King''?

The villain of "The Lion King" is Scar. He is the jealous and power-hungry younger brother of Mufasa, the king of Pride Rock. Scar manipulates and schemes against his brother to take over the throne. He orchestrates Mufasa's death and blames it on Simba, Mufasa's son and the rightful heir to the throne, forcing Simba into exile. Scar's desire for power ultimately leads to the downfall of the Pride Lands, as he rules with tyranny and neglect, resulting in a devastated and oppressed kingdom.