Who was Jimmy?

James Owen Sullivan (February 9, 1981 – December 28, 2009), was an American musician,composer and songwriter,
best known as the drummer, composer, songwriter, co-lead vocalist and founding member for the American heavy metal band Avenged Sevenfold.
He was also the lead vocalist/pianist in Pinkly Smooth, a side project where he was known by the name Rathead,
with fellow Avenged Sevenfold member and childhood best friend, guitarist Synyster Gates (Brian Elwin Haner Jr.).