Mrs. Simple

"You will sit at this piano until you can play. And play happily!"~ Mrs. Simple, ordering her daughter Sara to play the piano (CBC channel edition)

Mrs. Simple is a character, a daughter of her unnamed mother, mother of Sara Simple, wife of Mr. Simple and mother-in-law of Tommy Tinkerton (when he married to Sara at the unseen finale scene) in The Legend of Frosty the Snowman.

Her voice was portrayed by Tress MacNeilile.