Every self-respecting horror fan knows that Dracula takes his name from a real Transylvanian tyrant. But just how much does Bram Stoker's vampire count owe to his medieval namesake? Author and Abertoir regular Gavin Baddeley takes us back some 500 years to investigate the grisly life and crimes of Vlad the Impaler, probing the controversy over whether the world's most infamous bloodsucker was also history's most notorious despot.