Leonid Florescu is a human arms dealer who appears in the non-canon novel, Blood Enemy. He also has a brief mention in the novelization of Underworld: Evolution. At the time of the modern-day events of Blood Enemy, Florescu has a blond-haired mistress. Florescu is one of few Humans who know of the existence of both Vampires and Lycans, and although he knows of their existence, and their weaknesses to ultraviolet light and silver respectively, he is still somewhat superstitious. Despite knowing that the Vampires and Lycans are at war, he sells weapons to both sides, making himself a fortune.