(en) Kai Hansen, « Kai Hansen Interview », sur metal-rules.com, (consulté le ), The only thing I kind of regret or kind of see as a bad thing is that I couldn't keep the name because under the name Helloween I would of sold a lot more albums.
(en) « Band - Kai Hansen », sur gammaray.org, (consulté le ), We got the chance to record two songs for a Death Metal Sampler. The feedback to those songs was so good that we got more contact with Noise Records and as a result we finally recorded our first Mini LP Helloween and the first full-length album Walls Of Jericho.
