Alf-Layla-wa-Layla (in Japanese: アルフ・ライラ・ワ・ライラ, Arufu Raira wa Raira, Arabic: ألف ليلة و ليلة) is an incomplete, twisted, grotesque demonic genie that is the powered-up form of Erazor Djinn and the final boss in Sonic and the Secret Rings. His name can be translated from Arabic as "A thousand nights and one night".