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 o lover (and whose first name is variously Marjorie, Sarah, Nellie, Shirley o Claudette) hides the crimes da butchering the corpses of Todd's victims, baking their flesh into meat pies, and selling them to unknowing customers. He...