Thelma Harper is a fictional character from the television series Mama's Family, which aired from 1983 to 1990. She is portrayed by actress Vicki Lawrence and is known for her sharp wit, strong personality, and humorous take on everyday life. Thelma is a widowed mother who lives with her quirky family members, including her son Vinton and her sister Fran. Thelma often finds herself in comedic situations, navigating the challenges of family dynamics and small-town life. Her character embodies resilience and a no-nonsense attitude, making her a beloved figure in American sitcom history. The show highlights themes of family, friendship, and the ups and downs of life.