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 Garden Of. 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.