Roswell Christopher Bottum is an American musician, best known as the keyboardist for the San Francisco alternative metal band Faith No More, which he is one of the only three members who appeared on all of the band's albums, along with the founders Mike Bordin and Billy Gould. He is also guitarist and co-lead vocalist for the pop group Imperial Teen. In addition to his popular musical career, Bottum also scored three Hollywood movies and composed an opera titled Sasquatch: The Opera, which premiered in New York in April 2015.