Initially presented as a hero of questionable morals, Jaime undergoes noticeable changes in his personality and shows a profound inner transformation. At the beginning of the series, Jaime Lannister is known for his arrogance, immorality, and inflated ego. He despises public opinion of himself and is suspicious of rules and regulations indifference. His family connections, especially with his twin sister Cersei Lannister, play an important role in determining his character and habits.