The Rev and Canterbury member Mike sparks were both what?
The Rev: James Owen Sullivan (February 9, 1981– December 28, 2009), professionally known by his stage name The Rev (shortened version of The Reverend Tholomew Plague), was an American musician, best known as the drummer, songwriter, co-lead vocalist and founding member for the American heavy metal band Avenged Sevenfold.
i don't know