He is autistic. He has a hearing aid due to his bad hearing. Alhaitham is very rational, using logic in majority of the situations he is in. He is quite curious. He spends his time learning and trying to understand the underlying workings of the world. He can come off as rude and aloof to others. Always having a comeback to everything somebody says. He isn't ambitious for higher standings, content where he is now. He does care for others. He has a difficult time showing his care.