Mateusz Śmierzchalski

Mateusz Maurycy Śmierzchalski (born 18 July 1982, Gdynia, Poland), stage name Havoc, is a Polish heavy metal musician. He is best known for being the former rhythm guitarist for Behemoth. Since 1999, he is lead guitarist of the sludge-doom metal band Blindead.

Mateusz Śmierzchalski is endorsed by Mayones.

Behemoth

 * Live Eschaton (2000, VHS, Metal Mind Records)
 * Thelema.6 (2000, Avantgarde Music)
 * Antichristian Phenomenon (2000, Avantgarde Music)
 * Zos Kia Cultus (2002, Avantgarde Music)
 * Conjuration (2003, Regain Records)
 * Crush.Fukk.Create: Requiem for Generation Armageddon (2004, DVD, Regain Records)
 * Abyssus Abyssum Invocat (2011, Peaceville Records)

Seagulls Insane and Swans Deceased Mining Out the Void

 * Seagulls Insane and Swans Deceased Mining Out the Void (2011, Witching Hour Productions)