Zbigniew Robert Promiński, 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.