Zbigniew Robert Promiński (born 30 December 1978 in Tczew),[2] stage name Inferno, is a Polish heavy metal musician, best known as the drummer for extreme metal band Behemoth.

He has also contributed to bands such as Azarath, Witchmaster, Damnation, Deus Mortem, Artrosis, Christ Agony, and Devilyn.

Also, his endorsements include Paiste cymbals, Czarcie Kopyto pedals, Pearl drums, Evans Drumheads, and Vic Firth drumsticks.

He left the group briefly in 1999 during the release of Satanica, but returned in early 2000.

The 18 ply Maple/Birch snare drum features a gun-metal finish with custom graphics and diecast hoops.