Fenster was the last dragon of Hyspero. He had a TV in his stomach which showed Iris Wildthyme and Panda where Anthony Marvelle was. He told her that if the Leopard Professors of Hyspero ever caught him, his blood would be taken. He had a mission to take her to her people in Saga City. He was killed by The Clockworks, but Iris saved his head and took him aboard the Celestial Omnibus. (PROSE: Wildthyme Beyond!)

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