Viserys I

Viserys I Targaryen is a prominent character in the lore of 'A Song of Ice and Fire,' known for being the king of the Seven Kingdoms during a pivotal time in Targaryen history. His reign is marked by familial conflict and the seeds of civil war, which are central themes in 'House of the Dragon.' Viserys I's decisions significantly impact the Targaryen dynasty and the power struggles that ensue.