Una Persson is a recurring character in many of Michael Moorcock's 'multiverse' novels. She has also been used as a character in stories by other writers. She was the character Moorcock chose to start a round-robin story in The Guardian. She appears in several of The Metatemporal Detective stories including "The Mystery of the Texas Twister", "The Affair of the Bassin Les Hivers" and "The Flaneur des Arcades de l’Opera". Persson is also a protagonist in The White Wolf's Son, "The Spencer Inheritance", "The Camus Referendum" and "Firing the Cathedral".