Jack - Narrator of the events of the book/movie "Fight Club".
skinny, dark hair, blue eyes. suffer from multiple personality disorder.
Alter ego - Tyler Durden. Relationships - Marla Singer (fictional girl, Black tousled hair).
Shy, depressed, sleepless, loner, quiet, unsure of himself, low self-esteem, constant fatigue, nonentity, masochist.
He works as an employee in a society that works for the car industry.
pathetic crybaby, loser dependent on another man (Tyler Durden). 
He like self-pity. 