Kenneth Øvrid Holter, (born 12 February 1979), also known as Eth Eonel, is a Norwegian songwriter, producer and singer. He helped form the alternative rock band Aloysius in 2004, and was vocalist for an early line-up of what would later become the progressive metal band . He was also one of four thereminists in Trondheim Thereminorkester. From 2008 until 2009 he hosted an experimental radio show called "Fluxusboks", that aired on Radio Revolt. He runs a label called Eonel Sound.