Sven Velfast is the vampire butler and head of Velfast mansion, father of human hunter, Lysander Velfast and girl seducer, Logan Velfast. He is of a very Severe character and has strict rules regarding the traditions of the vampires, he prefers to remain discreet and cold towards humans, in order not to arouse suspicions in their minds. Sven, he looks like an elegant man of about thirty, although he is much older... He has long straight black hair, blue eyes, dazzling and almost hypnotic