What is a female curmudgeon called?

Here's some information about a female curmudgeon called Agnes:

Agnes, a retired librarian, embodies the classic definition of a curmudgeon. Her days are filled with observing the perceived decline of modern society and offering unsolicited, often scathing, commentary on it. She finds solace in routine, order, and the Oxford English Dictionary.

Her pet peeves are numerous:

• Loud chewing: A constant source of irritation for her.
• Children: Specifically, their perceived lack of respect and their parents' inability to control them.
• Technology: She views smartphones and social media as the downfall of intelligent conversation and a sign of intellectual%20decay.
• Marketing: she hates Marketing Strategies.

Despite her prickly exterior, Agnes possesses a sharp wit and a surprising depth of knowledge on a wide range of subjects. While she may grumble about the state of the world, there is a core of caring and a desire for things to be better. She simply expresses it in a way that most people find...unpleasant. Those who manage to see past her gruffness often discover a fiercely loyal friend beneath the layers of cynicism. She's the kind of person who would loudly complain about having to help you move, but would then proceed to direct the entire operation with an impressive, if somewhat abrasive, efficiency. Her constant complaints about new ideas also suggest that she's a traditionalist.