Member:
1997- Vesania - guitars, vocals  
2003- Behemoth - bass, backing vocals  
2003-2006 Neolithic - bass  
2008- Black River - bass  
Guest musician:
2007 Vader - vocals  
2012 Devilish Impressions - bass, vocals  


Interviews

05.01.2013 Behemoth


Personal information

Born on: 02.06.1980

Tomasz Wróblewski (born June 2, 1980 in Warsaw, Poland), stage name Orion, is a Polish death metal musician, current bassist/backing vocalist of Behemoth and Black River, and the vocalist/guitarist of Vesania. He also contributed with the band Neolithic and performed backing vocals with Machine Head during the Sounds of the Underground tour. He is endorsed by ESP/Ltd, Bounty Hunter and Crazy Cat.

source: Wikipedia