John Dolmayan is a signer.
John Dolmayan (Armenian:  ; born July 15, 1973) is a Lebanese-born Armenian-American musician, best known as the drummer of System of a Down
Dolmayan recorded five albums with System of a Down: System of a Down (1998), Toxicity (2001), Steal This Album! (2002), Mezmerize (2005) and Hypnotize (2005)

