He also shares his Los Angeles home with several cats of whom he has posted pictures on his website. In 1995 Butler joined with Osbourne to play on the Ozzmosis album. For amplification Butler plays is endorsed by Hartke bass amplification Kilo bass head and 4X10 HyDrive cabinet.
Butler is best known as the bassist and primary lyricist of heavy metal band Black Sabbath. He was also involved in Heaven & Hell from 2006 to 2010. Terence Michael Joseph "Geezer" Butler (born 17 July 1949 in Birmingham England) is an English musician and songwriter.