William Caldwell "Rocky" Gray (born July 2, 1974) is an American drummer and guitarist. He is a guitarist for the bands Living Sacrifice, Even Devils Die, and Creepy Carnival, and the drummer for Soul Embraced, Mourningside, Machina, and We Are the Fallen. He played drums for Evanescence from 2003–2007 and Fatal Thirteen from 2006–2014, and was a guitarist for Shredded Corpse (1991–1998) and Solus Deus (2012–2017). Gray also released a solo album titled Accursed (2015).
