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Scar is a fictional lion and the main antagonist of Walt Disney Pictures' animated movie The Lion King. He is Simba's arch-nemesis and paternal uncle, Mufasa's arch-rival and younger brother, Kion, Kopa, and Kiara's great uncle, Shenzi, Banzai and Ed's former leader and boss.

He was voiced by Jeremy Irons with singing vocals by Jim Cummings in the 1994 movie. His supervising animator was Andreas Deja. Scar is one of four Disney characters to be nominated for "Best Villain" in the MTV Movie Awards (the other three being the White Witch, Captain Barbossa and Davy Jones), and is the only Disney animated character to have achieved this.