Bill Giant (March 2, 1930 – November 26, 1987) was an American songwriter whose work included over 40 songs for Elvis Presley.
Giant grew up in New York City and was known as Bill "Harvey" Zimmerman.
The majority of their work was used in Presley movies, although their most popular recording was "(You're the) Devil in Disguise" which reached No.3 on the U.S.
They were also credited with writing the American version of Osamu Tezuka's anime "Kimba the White Lion" (1965).
Giant became a realtor in Middlesex County, New Jersey in his later years.