When I was younger, I loved the idea that Hitler secretly escaped. I'm not sure why - it's certainly an interesting idea! The theory was even mentioned often in some of my school books. But even then I clearly understood that it was a pretty outlandish "what if" scenario.
i was born in a city near a german colony in the south of Brazil where a lot of germans from the 20's, 30's and later 40's arrived (which is unusual giving german colonies in Brazil are mostly from people of the late 1800's).
Anyway my father swore that he saw "an old man that looked a lot like Hitler without the mustache" in the 80's in that colony.
And its funny because its like those stories about people that have seen alien ships, you know is very unlikely but you never stop to wonder, "what if..". Well now there's no doubt that it was just a Hitler lookalike (poor man).
Also, one thing that always looked of in those theories is the fact that a man with the psychology of Hitler would be able to live a very simple life with such big regrets and
big dreams smashed, seeing how much he was hated (remember, he was a narcissist) til old age. It always seemed unlikely to me, "not like hitler", while the suicide seems much more believable.
I remember the plot was a little outlandish to me even when I 11 years old: All American kids team up with a brilliant scientist and build a rocket to the moon, where they discover and defeat a secret Nazi moon base.