The agency said he died July 15 at his West Hollywood home but gave no other details.
He was the original voice and crooner of Ken, Barbies boyfriend, for Mattel Toys.
Cunningham went on to tour with Judy Garland and sang with Dinah Shore.

Bill CunninghamCESN
His debut album,Im Always Chasing Rainbows, was financed by Fred Astaire.
T.J. Escott joined the firm that year and helped bring it to nationwide prominence.
with style and integrity.

Cunningham retired in 1989 and published his autobiography,I Wonder What Became of Me, in 2014.