Peter Howse was born in Aston, Birmingham, UK, to Geezer Butler's sister, Maura. He was christened "Pedro" by Butler, from a character in the TV show Four Feather Falls.During the 1970s and 1980s, Peter formed many successful bands, the most successful being Crazy Angel. Alongside Butler, he formed the Geezer Butler Band in 1985. He has written and performed as guitarist in all versions of g//z/r and geezer as well as in the band of former Black Sabbath vocalist Tony Martin.