There are more super villains with Asperger's than super heroes. Lex Luthor, Doctor Doom, Syndrome, Ozymandias, and just about every Bond villain are a good start. There are almost no hyperintelligent heroes, except Batman, and he's crazy, that are not aliens. I think this is because people, in general, are fearful of intelligence. Physical strength is usually seen as heroic.
When I was a kid, with strong Asperger's tendencies, I wanted to be a super villain. They are the smart ones. If they could only stop monologuing.
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Good point about the super villain angle. So many of the villains rely on intelligence to give them an edge. The Watchmen may have been way ahead of the curve in this area.
This could actually explain the monologuing they may need to show other how smart they are.
The monologuing is a plot mechanism used to allow the good guys to win, in fiction. In reality, if someone is actually that intelligent, unless they are very broken as well, they don't need to show off to people who wouldn't comprehend how they lost anyway, but don't tell anyone.
The secret is safe with me.