Elfen Lied is the title of a Japanese manga series originally created by Japanese author Lynn Okamoto as well as a TV anime series based on it. Elfen Lied focuses on a mysterious and deadly breed of horned humans called "diclonius", and the havoc they wreak upon humanity. The title Elfen Lied is German for "Elf Song" (see Lied), although the correct German spelling would be "Elfenlied".