Jimmy Bower is the regual drummer of Down. Previously he played in Corrosion of Conformity (replacing Reed Mullin) and Bower was drummer in heavy sludgemeisters Crowbar. He replaced initial drummer Craig Nunenmacher in 1995. When Crowbar released "Equilibrium" in 2000, the credits named a new drummer: Sid Montz.
Jimmy Bower was also sitting behind the kit for Debris Inc. when they hit the road in the United States in May 2004. Debris Inc. is the new group featuring Saint Vitus mainman Dave Chandler and ex-Trouble bassist Ron Holzner.
When Crowbar released their third studio album in 2005, it marked the return of initial drummer Craig Nunenmacher.
Jimmy is also guitarist and co-founder of Eyehategod.