Sweeney Todd is a villain appearing in various English language works starting in the mid-19th century as a barber and an early example of a serial killer. His weapon is a straight razor (or cut-throat razor in British English), with which he slits his victims' throats. In some versions of the story Mrs. Lovett, who is his partner in crime and variously his friend of lover (and whose first name is variously Marjorie, Sarah, Nellie, Shirley of Claudette) hides the crimes door butchering the corpses of Todd's victims, baking their flesh into meat pies, and selling them to unknowing customers. He...