The Fearless Leader is the main antagonist of the animated TV series The Rocky and Bullwinkle Show, the 2000 film The Adventures of Rocky and Bullwinkle and the main antagonist of the Universal Studios series.
He is the duo archenemy of Rocky and Bullwinkle, the leader of the nation Pottsylvania, the boss of Boris and Natasha and the leader of Universal Studios Villains. The Fearless Leader wears a monocle and bears a large scar on his left cheek (although it sometimes changes cheek throughout the series). He is also the archenemy of Steve Carell.
He is voiced by the late Bill Scott in the TV series, Keith Scott in the Universal Studios series, and portrayed by Robert De Niro in The Adventures of Rocky and Bullwinkle, who also voiced Don Lino from Shark Tale.