Who are the most powerful people who used their power for bad?

Some of the most powerful individuals who have used their influence for harmful purposes include dictators like Adolf Hitler, who orchestrated the Holocaust and led to World War II, and Joseph Stalin, whose regime was responsible for widespread purges and famines. Other figures, such as Mao Zedong, implemented policies that resulted in millions of deaths during the Great Leap Forward. Additionally, leaders like Saddam Hussein and Pol Pot have been notorious for their oppressive regimes and human rights violations. These individuals leveraged their power to inflict suffering and maintain control, leaving a lasting negative impact on history.