Madge Blake
Madge Blake (née Cummings; May 31, 1899 – February 19, 1969) was an American character actress best remembered for her role as Larry Mondello's mother, Margaret Mondello, on the CBS/ABC sitcom Leave It to Beaver, as Flora MacMichael on the ABC/CBS sitcom The Real McCoys, and as Aunt Harriet Cooper in 96 episodes of ABC's Batman. Gene Kelly had a special affection for her and included her in each of his films following her role in An American in Paris.