Max is very astute and observant for someone his age, and his letter to Santa demonstrates he's got a better understanding of how unhappy his parents and relatives really are. He's even aware that Howard treats Stevie and Jordan like boys because he most likely wishes they were.
Max has mid-length tousled brown hair styled in a perm. He has a fair complexion and two deep brown eyes. Throughout the main events of the movie, Max is seen wearing a sleeveless padded jacket vest overtop a multicoloured striped sweater. Underneath he wears a plaid button-up shirt of which is mainly blue in colour.