Joffrey Baratheon is a fictional character from the book series "A Song of Ice and Fire" by George R.R. Martin and the television adaptation "Game of Thrones." He is the eldest son of Cersei Lannister and Robert Baratheon, and he becomes king of the Seven Kingdoms after his father's death. Joffrey is known for his cruel and sadistic behavior, often abusing his power and mistreating those around him. As king, Joffrey's reign is marked by tyranny and instability. His actions lead to widespread discontent among the nobility and the common people. He is often seen as a symbol of the corrupting influence of power, and his character plays a significant role in the political intrigue of the series.