Baba- I think Baba is like the rock or something because of his pride that he has for his self and sometime he keep things away from you to keep you save

 Hassan- I really don"t think Hassan is like anyone he just his self i can't think of anyone hows like hassan that act like that at all

 Amir- He really just like any other kid he sometime don't really know whats going on all the time but he starting  to find out how to work people