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Mateusz Maurycy Smierzchalski


Member

2000-2003 Behemoth - guitars, backing vocals (as Havoc)  
2003-2019 Blindead - guitars (as Havoc)  
2010- Seagulls Insane And Swans Deceased Mining Out The Void - all instruments (as Havoc)  

Live musician

2019 Behemoth - guitars (as Havoc)  

Personal information

Also known as: Havoc
Born on: 18.07.1982