Emil John Schmidt IV, known professionally as Acey Slade, is an American musician. He is the bassist and one of the guitarists in the industrial metal band Dope and a former guitarist of the horror punk and glam metal act Murderdolls. He is also the lead singer and guitarist of Acey Slade & the Dark Party and a touring guitarist of The Misfits. Previous to this, he served as the bassist in Joan Jett and the Blackhearts and as the lead vocalist and guitarist in the punk rock band Trashlight Vision, which broke up in 2007.