Adolf Hitler is the infamous dictator who led Nazi Germany from 1934 to 1945.
Muammar Gaddafi was a Libyan revolutionary leader who governed Libya for 42 years, implementing socialist policies and challenging Western interests.
Idi Amin was a Ugandan military dictator whose brutal regime led to the deaths of hundreds of thousands and tarnished the country's reputation internationally.
Slobodan Milosevic was a Serbian politician and former president, notorious for his role in the Yugoslav Wars and subsequent war crimes charges.