Luna "Loony" Lovegood from Harry Potter seems pretty aspie.
http://harrypotter.wikia.com/wiki/Luna_Lovegood
Scroll down to personality.
"Luna is an open-minded, serene, unique; some might say odd, girl with many beliefs and traits that others consider strange, which earn her the nickname of "Loony Lovegood". She is intelligent having been sorted into Ravenclaw, and has a habit of stating the blunt truth about things, as well as for accidentally turning up when things are happening. Her voice is distant and dreamy(yet on one occasion the dreamy quality vanished when she heard Hermione saying that her father's magazine is rubbish), and she would often quickly fade away from a conversation if she did not find it interesting. She has a steadfast faith and a calm demeanor, her and Hermione occasionally become frustrated with one another being mirror opposites (yet still maintain their friendship) of each other. She does not care what others think about her, which may be one of the reasons why she has few friends, though she is ok with this fact being quite comfortable with herself and who she is though she would like to have friends. She is very loyal, and truly cares about the few friends she has. She is often the subject of ridicule, with other students stealing and hiding her things. She takes this in stride though, being patient and accepting of the others around her, and believing that her hidden things would show up again eventually. Luna seems to have some artistic skill, as there are various things in her house that she painted with things such as flowers or insects.
She is well known for comforting others. Luna is a powerful witch along the lines of Ginny, and she was one of the few left unharmed after all three battles she had participated in. She is also a big Quidditch fan. As such, she is the complete opposite of Hermione in almost every way."
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