I've heard that Israel asked him to be their president (or whatever they call their leader).
Something random I find funny: Hitler was a vegetarian.
I bet it has to do with his paranoia. Quite a few of the vegans/vegetarians I know obsess over living as long as possible. "Immortality" is the only word listed on one of my vegan friend's facebook interests. Well, vegetarianism makes more sense than mercury. =P