Jon Snow, introduced as the bastard son of Ned Stark, Lord of Winterfell, is a fictional hero and one of the main narrative protagonists within George R. R. Martin’s A Song of Ice and Fire fantasy series and the adapted television series Game of Thrones. With a story arc based on protecting the realm of men from the undead threat beyond The Wall to the North, Jon Snow faces a series of challenges and adventures that shape him into being a respected leader and commander.