This game designer did not have the same profession as the drummer of the band System of a Down. This designer created Deathmaze.
John Hovig Dolmayan (Armenian:   , born July 15, 1973) is a Lebanese-born ArmenianAmerican songwriter and drummer. 
Greg Costikyan (born July 22, 1959, in New York City), sometimes known under the pseudonym "Designer X", is an American game designer and science fiction writer. 
 The band currently consists of Serj Tankian (lead vocals, keyboards), Daron Malakian (vocals, guitar), Shavo Odadjian (bass, backing vocals) and John Dolmayan (drums). 
Deathmaze is a board game published by Simulations Publications in January 1980, and designed by Greg Costikyan. 
