The Kroffts reacted on Twitter to the information of her dying:
Extra just lately, Hayes served as a voice actor for The Black Cauldron (1985) and for such cartoons as Trollkins, The New Scooby-Doo Mysteries, Paw Paws, Darkwing Duck, The Brothers Flub and Transformers: Rescue Bots.
Born on Aug. 5, 1924, in DuQuoin, Illinois, Hayes performed in bandleader Vince Genovese’s orchestra whereas in highschool, then toured along with her personal singing and dancing act all through the Midwest.
After shifting to New York, she auditioned for theater legend J.J. Shubert and was employed for precept roles in three roadshow operettas: Pupil Prince, The Merry Widow and Blossom Time.
Hayes made her Broadway debut in Leonard Sillman’s New Faces of 1956, then succeeded Charlotte Rae as Mammy Yokum in Li’l Abner. She performed the bare-knuckle champion of Dogpatch for the rest of its Broadway run via July 1958, then segued to the 1959 Paramount big-screen model that additionally starred Peter Palmer, Leslie Parrish, Stubby Kaye, Julie Newmar and Stella Stevens. (Hayes portrayed Mammy Yokum once more in a 1971 ABC telefilm.)
In 1966, she toured with the nationwide firm of Hiya, Dolly!, starring Betty Grable, and later appeared on such TV exhibits as The Monkees, Bewitched, Trapper John, M.D. and Basic Hospital.
Survivors embody her niece, Nancy, and nephews Tom, Louie and Man.
Donations in her reminiscence will be made to the humane group she based: Pet Hope, P.O. Field 69493, West Hollywood CA 90048.
This text initially appeared in THR.com.