I have listed in here some quotes of psychologists I have learned to most popular theories from.
You have a name. You have an identity. You are a person therefore you have a personality. You exist, you breath, you live therefore you function. You work on your own. You are yourself.
We always try to judge people by their appearance. At the first sight we always make a categorization according to different criteria if we like the person or not. Everyone of has detains some standards we apply on practice for the person we like to analyse.