once you actually confess to him, he will shower you with affection. Alhaitham's also pretty yandere, and will do close to anything to protect you. he can tell Kaveh hurt you so he will not leave Kaveh alone. on the more villain side: he is very calculating and cunning. he plans every move out, and tends to be elaborate. Alhaitham has grey hair, teal eyes. also canonically, Alhaitham would probably speak Arabic