John Dolmayan is an Armenian-American songwriter and drummer. He is best known as the drummer of System of a Down. Dolmayan is also the drummer for the band Indicator and former drummer for Scars on Broadway. His energetic live performances with System over the years have garnered him critical acclaim. Loudwire listed him as one of the Top 66 Hard Rock + Metal Drummers Of All Time, with Dolmayan being ranked at #31.