제이미 Lannister is a fictional character from the popular fantasy series, A Song of Ice and Fire, written by George R.R. Martin. He is a member of the Lannister family, known for their wealth and power in the Seven Kingdoms. As a skilled knight and the eldest son of Tywin Lannister, he is often referred to as the "Kingslayer" for killing Aerys II Targaryen, the last Targaryen king. Throughout the series, 제이미 struggles with his identity and reputation, often facing moral dilemmas. His character evolves from a seemingly arrogant and ruthless warrior to a more complex individual, revealing deeper emotions and loyalties, particularly towards his sister, Cersei Lannister, and his eventual friendship with Brienne of Tarth.