Avenged Sevenfold
Is an American Metalcore Band, From Long Beach, California. Formed in the year 1999.
The integrants are (by their artistical names) : M. Shadows-Vocals, Synyster Gates-Lead Guitar, Sacky Vengeance-Rithm Guitar, Johnny Christ-Bass Guitar. The Drummer The Rev, died in december 2010, so he was sustituded by Mike Portnoy, but just for finishing the Nightmare CD Record and play in some concerts. Then for the rest of the Nightmare Tour the Drummer was Arin Llejay. 
The Rev Died in december 28 of 2010, foun by his wife, he died by a serius intoxication.