Who are the 20 most famous or infamous dictators ever?

in my opinion, the 20 most famous or infamous dictators are hitler, stalin, zedong, napoleon I, mussolini, fidel castro, trujillo, francois duvalier, ho chi minh, francisco franco, saddam hussein, romanescu, ian smith, il sung, porfirio diaz, juan peron, pinochet, stroessner and vladimir lenin. these aren't in specific order by the way.