Anthony Frank Iommi Jr. is an English musician. He co-founded the pioneering heavy metal band Black Sabbath, and was the band's guitarist, leader, primary composer, and sole continuous member for over five decades. He is considered one of the pioneers of heavy metal music and is responsible for inspiring numerous subgenres of metal, most notably doom metal. Iommi was ranked number 13 on Rolling Stone's 2023 list of the “250 Greatest Guitarists of all Time.