Frank Anthony "Tony" Iommi (born February 19, 1948, in Aston, Birmingham, Englan) is an English guitarist best known for his tenure in the heavy metal band Black Sabbath. He is the only person to have remained in Black Sabbath throughout the band's entire lifespan. Iommi, bandmate Geezer Butler, and former Black Sabbath members Ronnie James Dio and Vinny Appice have recently finished a 2007 show World Tour under the name Heaven and Hell.