Addam Velaryon, born Addam of Hull, was a legitimized bastard from Driftmark of dragonseed descent, like his younger brother Alyn. During the Dance of the Dragons, Addam became a knight and the heir to House Velaryon of Driftmark. He was a dragonrider whose dragon was Seasmoke. Addam was fifteen years old at the outbreak of the Dance of the Dragons. He was relentless, determined, glib of tongue, and loyal. Addam and his brother Alyn had silver hair and purple eyes.