Mika Vainio (May 15, 1963 - April 12, 2017) was a Finnish experimental electronic musician, known for his works with Ilpo Väisänen as Pan Sonic. Also known as Ø, Tekonivel, Kentolevi, Philus = half of Pan Sonic, Finnish electronic overlords. Ø released a number of cutting-edge minimal techno records during the early 1990s on the Sähkö Recordings label, prefiguring a great deal of today's minimal scene (Vainio is a huge influence on Richie Hawtin, Sleeparchive etc).