As the remaining months until the new Star Wars film comes out slowly wash down the drain along with our lives/careers/hair etc, director JJ Abrams is passing the time by chatting to the media a little more than he usually does -- revealing the bizarre foundation for the film's construction and the existence of lead bad guy Kylo Ren.
Abrams was speaking to Empire about Ren's history, why he's the bad man du jour and how come there's this convenient black-wearing masked antagonist in place just like there was in the earlier films. He suggests that Ren is some sort of deranged Vader fan out to rebuild his former hero's plan for the galactic final solution and annihilation of the light-sided allies, saying of Ren's existence as a sort of Vader MkII:
"That all came out of conversations about what would have happened if the Nazis all went to Argentina, but started working together again. What could be born of that? Could the First Order exist as a group that actually admired the Empire? Could the work of the Empire be seen as unfulfilled? And could Vader be a martyr? Could there be a need to see through what didn’t get done?"
So The Force Awakens is like if Goebbels ran off to Argentina, grew a silly moustache like his former boss and started all over again. Which means Vader was Hitler. So Luke Skywalker must've been Winston Churchill, Han Solo was Roosevelt charging in at the last minute to take the glory, while Chewbacca was Stalin and C-3PO must've been Charles de Gaulle.