Viserion is one of the three dragons owned by Daenerys Targaryen in the popular series Game of Thrones, based on the books by George R.R. Martin. Named after her deceased brother Viserys, Viserion is known for his cream-colored scales and golden eyes. He plays a significant role in Daenerys's quest for power and is a symbol of her Targaryen heritage. In the later seasons of the series, Viserion is killed by Night King, the leader of the White Walkers. After his death, he is resurrected as an ice dragon, serving the Night King and becoming a formidable weapon against the living. This transformation highlights the ongoing battle between the forces of ice and fire in the story.