Roy Estrada (also known as "Roy Ralph Moleman Guacamole Guadalupe Hidalgo Estrada" and Orejón) (born April 17, 1943 in Santa Ana, California) is an American musician and backing vocalist, best known for his bass guitar work with Frank Zappa and for co-founding Little Feat. With drummer Jimmy Carl Black and Ray Collins, Estrada was an original member of Frank Zappa's Mothers of Invention,...