Suggestions by @benpopplewell

Carolyn Lawrence

as Sandy Cheeks in SpongeBob SquarePants: Down Under

Clancy Brown

as Mr. Krabs in SpongeBob SquarePants: Down Under

Rodger Bumpass

as Squidward in SpongeBob SquarePants: Down Under

Bill Fagerbakke

as Patrick Star in SpongeBob SquarePants: Down Under

Tom Kenny

as SpongeBob SquarePants / French Narrator / Gary in SpongeBob SquarePants: Down Under

Charles Manson

as Most Evil Deceased Murderer in Most Evil Deceased Criminals and Individuals in History

Richard Ramirez

as Most Evil Deceased Murderer in Most Evil Deceased Criminals and Individuals in History

Jeffrey Dahmer

as Most Evil Deceased Murderer in Most Evil Deceased Criminals and Individuals in History

John Wayne Gacy

as Most Evil Deceased Murderer in Most Evil Deceased Criminals and Individuals in History

Mao Zedong

as Most Evil Deceased Cult Leader in Most Evil Deceased Criminals and Individuals in History

Kim Il-sung

as Most Evil Deceased Cult Leader in Most Evil Deceased Criminals and Individuals in History

Mobutu of Zaire

as Most Evil Deceased War Criminal in Most Evil Deceased Criminals and Individuals in History

Ayman al-Zawahiri

as Most Evil Deceased War Criminal in Most Evil Deceased Criminals and Individuals in History

Mobutu of Zaire

as Most Evil Deceased Dictator in Most Evil Deceased Criminals and Individuals in History

Dr. François Duvalier

as Most Evil Deceased Tyrant in Most Evil Deceased Criminals and Individuals in History

Kim Jong-il

as Most Evil Deceased Politician in Most Evil Deceased Criminals and Individuals in History

Ayman al-Zawahiri

as Most Evil Deceased Religious Leader in Most Evil Deceased Criminals and Individuals in History

Ayman al-Zawahiri

as People in Hell in The Littlest Sinner

Sino–Korean Friendship of the Far East

as Totalitarian in Villains Sorted by Villains Wiki Categories

Zaire

as Totalitarian in Villains Sorted by Villains Wiki Categories