Fan Casting Tales of Dunk and Egg

The Dunk and Egg stories are an ongoing series of novellas written by George R. R. Martin, set in the world of A Song of Ice and Fire, prequels to the main novels. The stories relate the adventures of the hedge knight Ser Duncan the Tall, who would become a legendary member of the Kingsguard, and his squire Egg, who would become King Aegon V Targaryen of Westeros. The stories begin with their meeting eighty-nine years before the events of the main novels