Derrick Green and Pete Stewart are both what?
Derrick Green Derrick Leon Green (born January 20, 1971) is an American musician, best known as the singer of Brazilian heavy metal band Sepultura. He joined the band in 1997 after the departure of group founder Max Cavalera.
Brent Ryan Green Brent Ryan Green (born March 19, 1984) is an American film director and producer.