John Dolmayan (Armenian: Ճոն Տոլմայեան; born July 15, 1972) is an Armenian-American musician, best known as the drummer of System of a Down. He is also the drummer for the band Indicator and former drummer for Scars on Broadway. Dolmayan ranked number 33 on Loudwire's list of Top 200 Hard Rock + Metal Drummers of All Time.
