1. Freud would explain the personality difference between Mike and Marty Scanlon using the psychoanalytic theory, a mapping the unconscious mind. Where he argued that most behavior is motivated or a result of the unconscious. This is the part of the personality which contains urges, drives, beliefs, feelings, memories, knowledge and instincts totally unaware of by the individual. Another explanation from Freud in terms of personality differences is that Mike had a fixation in the development of one of the five psychosexual stages namely the phallic stage which is the period beginning around age three where the pleasure of a child is focused on genitals and they unconsciously harbor sexual interest in their mother, sees their father as their rival and even wishes to kill him. On the other hand, Marty was viewed as successfully passing through all of the psychosexual stages with neither a fixation nor conflict. 2. As per the Big Five personality traits i.e. Openness to experience, Conscientiousness, Extraversion, Agreeableness and Neuroticism (OCEAN). Marty Scanlon was polite, discipline, dutiful, quiet, organized, responsible and successful and would receive a low rating in openness to experience, high rating in conscientiousness, low rating in extraversion, high rating in agreeableness and high rating in neuroticism or emotional stability. In contrast, Mike Scanlon was sociable, loud, uncontrollable, boisterous, careless, impulsive and disorganized and would receive a