Reporters Without Borders has a great page that identifies the top predators in the world against free and independent media.
Besides the government leaders noted above, the RSF also looked at private groups and non-state political entities such as Hamas, the Palestinian Authority, the Mexican drug cartels and Colombian militias.
All in all this is an interesting (but not surprising) rouges gallery of anti-free media people and organizations. And to tell you how BAD these guys are, they topped off the list in such a way that Venezuela did not make the list. (And we all know the Hugo Chavez government is no friend of independent media.)