Bela Lugosi was a Hungarian actor who starred in a series of horror movies in the 1930's. His most famous role was that of the title character in Dracula, the iconic horror movie of all times, long before Christopher Lee became the most famous Dracula.
The title of this episode is a reference to 1969 Credence Clearwater Revival hit of the same name, which figured prominently in 1981 film An American Werewolf in London.