David Letterman's mother Dorothy Mengering, a Midwestern homemaker who became an unlikely celebrity in her 70s as she baked mystery pies and covered the Olympics for her son's late-night show, has died. She was 95.
Letterman's publicist Tom Keaney confirmed Mengering's death Tuesday for The Associated Press.
Letterman had been on the air for years, and had made ironic celebrities out of dozens of nobodies, before he thought to bring on his mom.
But the moment he did, she became a hit, with a cheerful "Hi, David!" in her Indiana accent starting every appearance.
The two had great on-air chemistry, her homespun sincerity proving the perfect foil for her son's urban acerbity.
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