Prince Rhaegar Targaryen was a prominent character in the A Song of Ice and Fire series by George R.R. Martin. He was the eldest son of King Aerys II Targaryen, known as the Mad King, and was a key figure during the events leading up to the Robert's Rebellion. Rhaegar was known for his striking appearance, noble demeanor, and exceptional skills as a warrior. Rhaegar's actions, particularly his relationship with Lyanna Stark, played a significant role in the downfall of the Targaryen dynasty. His decision to abduct Lyanna, although debated, sparked a civil war that ultimately led to the end of Targaryen rule in Westeros. Rhaegar's legacy continues to influence the story and characters throughout the series.