Who's who on the list you don't ever want to be on

Kim Jong-il, North Korea
Isaias Afewerki, Eritrea
Omar Al-Bashir, Sudan
Islam Karimov, Uzbekistan
Bashar al-Assad, Syria
Thein Sein, Myanmar
Gurbanguly Berdymukhammedov, Turkmenistan
Raul Castro, Cuba
Teodoro Obiang Nguema Mbasogo, Equatorial Guinea
Hugo Chavez, Venezuela
Robert Mugabe, Zimbabwe
Muammar Gaddafi, Libya
Saddam Hussein, Iraq
Adolf Hitler, Germany
Benito Mussolini, Italy
Pol Pot, Cambodia
Idi Amin, Uganda
Mobutu Sese Seko,Zaïre
Nicolae Ceausescu, Romania
Slobodan Milosevic, Yugoslavia
Jean-Claude Duvalier,Haiti
Ferdinand Marcos, Philippines
Hosni Mubarak, Egypt
Fulgencio Batista,Cuba
António Salazar, Portugal
Alfredo Stroessner,Paraguay

They all have many of the same attributes:

Dictators

Brutal

No regard for human life

Self Serving

Usually of a military background

Guns for Brains
and one other common trait

They were all squirrelly