Attila was Khan of the Huns. He is remembered as the epitome of cruelty and rapacity.

He murdered his nephew, inspired the legend of Robin Hood and caused the creation of Magna Carta.

The Roman emperor's reign is a legendary frenzy of lunacy, murder, and perverse sexuality.

Francisco Pizarro was one of the European explorers who went to South America to colonize it and had natives murdered so he could plunder their gold and silver.

Adolf Hitler tried to mold Germany and a large portion of the 20th century into his own twisted design. Luckily for posterity he failed but not before destroying the lives of millions of people.

Idi Amin rose to become a brutal and utterly ruthless dictator who committed atrocities on his people.

Ivan IV of Russia, also know as Ivan the Terrible, was the Grand Duke of Muscovy from 1533 to 1547 and was the first ruler of Russia to assume the title of Tsar. He was also a devout theist.

Perhaps 7 million or more people were shot with a total suppression of about 50 million under uncle Joe Stalin. One of the great tyrant's of the 20th century and indeed any century.

He brought the entire Roman Empire to the brink of collapse with his legendary excesses and cruelty.

Responsible for the Killing Fields and Year Zero Pol Pot waged a gruesome war on his own population.

He was an uneducated peasant who gained a reputation as a faith healer. His strange behavior and incredible influence over the imperial family made him notorious and his death made him a legend.

Torquemada tortured and burned thousands of innocent Spaniards and expelled Spains Jewish population. Thomas De Torquemada was head of the Spanish inquisition and was renowned for his cruelty.

Vlad is best known for the legends of the exceedingly cruel punishments he imposed during his reign and for serving as the primary inspiration for the vampire main character in popular Dracula novel.