Brian Tutunick (born March 31, 1968) is an American musician more famously known as Olivia Newton Bundy and was the bassist and co-founder of the rock group Marilyn Manson until 1990, when he was replaced by Gidget Gein His stage name was created by mixing the names of Olivia Newton John (singer) and Ted Bundy (serial killer). Gidget Gein born Bradley Stewart (b. ... Olivia Newton-John (born September 26, 1948) is a British-born Australian singer and actress. ... Theodore Robert Ted Bundy (November 24, 1946 – January 24, 1989) was an American serial killer and rapist who murdered numerous young women across the United States between 1974 and 1978. ...