Cardan Greenbriar, also known as High King Cardan or King Cardan and previously Prince Cardan, is a faerie and the current High King of Elfhame. He is the son of Lady Asha and youngest child of Eldred Greenbriar, great-grandson of Mab Greenbriar, brother to Balekin, Elowyn, Dain, Rhyia and Caelia.