For the hundredth time, Aryan is not a race. It's not even an ethnic group - it's a language group. After 1960 scholars stopped using the word to designate any particular people.
Not the way he would have defined it. The irony of Hitler's racism is that he was not of the blue-eyed blonde master race he thought should take over the world.
No. He exaggerated the Aryan race to further his political agenda. He was full blooded Germanic. If that's the case Hitler didn't have blond hair his self.