Leviathan started with Onur Önok on vocals and Devrim Devran on guitars. With session members ,first demo “Forest Of The Fallen” was recorded and out in 1996. This demo got them best dark/black metal band in underground music in Turkey. After this demo, Devran left the band. Then as Serhan Tombul on drums, Hakan Kireçkaya & Burçin Gülbahar on guitars with session bassist, new line-up was formed in 1997. First album “Cold Caress” ‘s works started in 1998.in 1999 album was record on. And in 2000 Album came on markets. After the album line-up changed with Gürkan Bozacý on bass, Alp Tiner on guitar & Burçin Gülbahar on keyboard .On 21th of september 2000 group gave a concert with Sentenced in Ýstanbul.