6. Idi Amin
Idi Amin Dada was a Ugandan dictator who deposed Milton Obote in 1971 and took power after the coup. His regime was characterized with severe economic mismanagement, corruption, nepotism, extrajudicial killings, ethnic repression, political repression and gross abuse of human rights. Human rights groups and International observers estimated that between 100,000 and 1,500,000 people were killed during his bloody reign. Amin regularly switched side as he saw fit, with backings ranging from Western powers, Israel. Moammar Gaddafi, to Soviet Union. He died in exile at Jeddah, Saudi Arabia.