In his own words.
Highlights:
On former US president George W Bush, at the United Nations, 2006
"Yesterday the devil came here. Right here. And it smells of sulphur still today."
More on Bush, 2006
"You are an alcoholic, a drunk, a liar, an immoral person, Mr Danger. You are the worst ... a psychologically sick man."
On former British prime minister Tony Blair, 2006
"You are an imperialist pawn ... Go straight to hell."
After expelling US ambassador, 2008
"Go to hell, Yankee shits, here stands a dignified people. Go to hell a hundred times, we are the sons of Bolivar!"
Before one of the world's longest speeches, 9.5 hours, 2012
"I promise you that at least I will make an effort not to be so lengthy."