Michel Klaassen a.k.a. Leviathan a.k.a. Tellurian started producing in 1985 and became obsessed with what later became Hardcore. Representing his own record label Cenobite records for 14 years now, Tellurian has been spreading spreads his dark, hybrid Hardcore sound called Psycore at legendary events like Hellraiser, Thunderdome, Immortality, Mysteryland, Digital Overdose and… Ground Zero.