Related Information for Helloween 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 – DrumsThe original line-up featured: Kai Hansen (Vocals/Guitars),Michael Weikath (Guitars), Markus Grosskopf (Bass.. read more