Yarven was one of the Lords on the "vampire planet". He was turned into a vampire, and hid on the Seventh Doctor's TARDIS. When it landed on Earth in Chicago, Yarven fled into the city. (PROSE: Blood Harvest) He was the Vampire Messiah foretold in prophecies known to the Cult of Rassilon the Vampire. Agonal was his father. (PROSE: Goth Opera)

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