Alan Charles Jardine (born September 3, 1942) is an American musician who co-founded the Beach Boys. He is best known as the band's rhythm guitarist, background vocalist, and for occasionally singing lead vocals on singles such as number-one hit "Help Me, Rhonda" (1965), "Then I Kissed Her" (1965), "Cottonfields" (1970), and a cover of the Del-Vikings' "Come Go with Me" (1981). His song "Lady Lynda" was also a UK top 10 hit for the group in 1979.