Fearless Leader is the main antagonist of the animated TV series The Rocky and Bullwinkle Show and the 2000 film The Adventures of Rocky and Bullwinkle. He is the leader of the nation Pottsylvania, and is also the boss of Boris and Natasha. Fearless Leader wears a monocle and bears a large scar on his left cheek (although it sometimes changes cheek throughout the series).
He is voiced by the late Bill Scott in the TV series, Piotr Michael in the 2018 reboot, and portrayed by Robert De Niro in The Adventures of Rocky and Bullwinkle.