Who Is The Night King? The Game Of Thrones Villain Origin Story (& How It's Different From The Books)

The Night King is a mysterious and legendary character who appears in both Game of Thrones and A Song of Ice and Fire. Game of Thrones, the HBO adaptation of George R.R. Martin’s A Song of Ice and Fire fantasy novel series, depicts the rise and fall and rise again of peoples, houses, and kingdoms in the land of Westeros.