Shavarsh "Shavo" Odadjian (Armenian: Շավարշ "Շավո" Օդաջյան; born April 22, 1974) is an Armenian-American musician and songwriter. He is best known as the bassist, backing vocalist, and occasional songwriter of heavy metal band System of a Down, he also plays bass in Trap group North Kingsley. During the band's hiatus from 2006 to 2010, Odadjian collaborated with Wu-Tang Clan founder RZA on a project called AcHoZeN, which contributed a number of songs to the motion picture Babylon A.D. A compilation album was released in 2015. Odadjian is also credited with the musical scoring of the film, alongside The Rza and Hans Zimmer.