Sorry, but your submission has been removed because we don't allow hypothetical questions. If possible, please feel free to rephrase the question so that it does not call for such speculation, and resubmit Otherwise, this sort of thing is better suited for /r/HistoryWhatIf.

There were indeed various other anti-Semitic fascists like Roehm, who headed the SA, so it is conceivable one of them could have come to power. But Joachim Fest has argued pretty effectively in his Hitler biography that the movement really centered on Hitler, and when he died it was effectively gone. And despite the efforts of neo-Nazis to try to revive it, as a real political force it's still gone.