I'd nominate Ugandan president Yoweri Museveni. As authoritarian "president for life" since 1986, he's demonstrated some savvy statecrafting amid Africa's resource wars and ethnic violence, making the country a point of stability and economic growth on the continent.

(Of course, he's got plenty of negatives on the record too. But I think in the game of "Great Man History", he's already left a big legacy.)

I'm curious as to why you chose Napoleon III. The context under which he rose to power seem quite different from Trump's. America isn't in the middle of a 60-years long revolution/counter-revolution cycle. What are the similarities?

Hate to say it, but perhaps it is Putin. Not a perfect parallel but he seems to be playing Trump skillfully.

Probably Putin.