Michael Kiske (born January 24, 1968 in Hamburg, Germany) is a singer best known as the lead vocalist for the German power metal band Helloween, from 1986 to 1993. From 1996 up to 2009, Kiske recorded four solo albums, participated on various metal and rock related projects, while he also performed with numerous bands as a guest vocalist. In late 2009, he formed the rock band Unisonic and began touring again after 16 years. In 2017 he rejoined Helloween to tour and appeared on their latest album released in 2021.