Aegon II was a fictional character from the book series "A Song of Ice and Fire" by George R.R. Martin. He is a member of the Targaryen dynasty and is known for his claim to the Iron Throne during the Targaryen civil war known as the Dance of the Dragons. Aegon II's reign was marked by conflict and rivalry, particularly with his half-sister, Rhaenyra Targaryen. Aegon II was crowned king after the death of his father, Viserys I Targaryen, but his rule was short-lived and tumultuous. He faced numerous challenges, including battles for power and the loyalty of dragons. Ultimately, Aegon II's story reflects the themes of ambition and betrayal that are prevalent throughout the Targaryen saga.