
Avenged Sevenfold (sometimes abbreviated to A7X) is an American heavy metal band from Huntington Beach, California. Formed in 1999, the group consists of M. Shadows (lead vocalist), Zacky Vengeance (rhythm guitarist and backing vocalist), Synyster Gates (lead guitarist and backing vocalist), and Johnny Christ (bassist). They are known for their diverse rock sound and dramatic imagery in album covers and t-shirts. Avenged Sevenfold emerged with a metalcore sound on their debut Sounding the Seven...
source: wikipedia