Mabel Elizabeth King (née Washington; December 25, 1932 - November 9, 1999) was an American actress and singer. She is known for her role as Mabel "Mama" Thomas on the ABC sitcom What's Happening!! from its premiere in 1976 until the end of its second season in 1978. King is also known for portraying Evillene the Witch, a role she originated in the stage musical The Wiz and reprised in Sidney Lumet's 1978 film adaptation. She recorded on the Rama Records and Amy Records labels. Description above from the Wikipedia article Mabel King, licensed under CC-BY-SA, full list of contributors on Wikipedia.
The Jerk
(Mother)
The Wiz
(Evillene)
Getting Over
(Mabel Queen)
The Gong Show Movie
(Mabel)
Ganja & Hess
(Queen of Myrthia)
Scott Joplin
(Madam Amy)
Dead Men Don't Die
(Chafuka)
Scrooged
(Gramma)
Black Vampire
The Bingo Long Traveling All-Stars & Motor Kings
(Bertha)
The Jerk, Too
(Mama Johnson)
Don't Play Us Cheap
(House Guest at the Party)
All the Money in the World
(Mrs. Trussker)
Tales from the Darkside
(Ruby Cuzzins)
Amazing Stories
(Jennifer Mowbray)
What's Happening!!
(Mabel Thomas)
The Jeffersons
The Colbys
Wiseguy
Weekend Special
Palmerstown, U.S.A.
The Mike Douglas Show
(Self)
Barney Miller
(Mother Zilla)