Scar

Scar, born as Taka, is the overarching villain of The Lion Kingfranchise. He served as the main antagonist of Disney's 32nd full-length animated feature film The Lion King, a posthumous antagonist in it's 1998 sequel The Lion King: Simba's Prideand the main antagonist in the second season of The Lion Guard. He is Mufasa's jealous younger brother and Simba's uncle and arch-nemesis. Scar's desire to rule Pride Rock drives him to enact a plot to kill both his brother and nephew to leave himself the sole royal in line for the throne as "true" ruler.