Mabel King

Mabel Elizabeth King (née Washington; December 25, 1932 – November 9, 1999) was an American actress and singer. She was 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 was 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. Provided by Wikipedia