Helloween is a power/heavy/speed metal band from Germany founded in 1978 by members of Iron Fist and Powerfool, as Gentry. Helloween are known as major innovators of power metal. Members today are: Andi Deris – Vocals, Michael Weikath – Guitar, Backing vocals, Sascha Gerstner – Guitar, Backing vocals, Markus Grosskopf – Bass, Backing vocals and Daniel Löble – Drums Kai Hansen - Guitar, vocals Michael Kiske - Vocals The original line-up featured: Kai Hansen (Vocals/Guitars), Michael Weikath (Guitars), Markus Grosskopf (Bass) and Ingo Schwichtenberg (Drums).