Kai Hansen

Kai Hansen was born in Hamburg, Germany, and rose to prominence as guitarist and singer of Helloween, a group he helped found. He sang and played on Walls of Jericho, from 1985, before leaving the band in 1988. He then created Gamma Ray, debuting with Heading for Tomorrow, and took part in projects such as Iron Savior and Unisonic. In 2016, he returned to Helloween for the Pumpkins United reunion.