What is the name of the cat featured in the Grumpy Cat meme?

The cat featured in the Grumpy Cat meme was named Tardar Sauce.

Tardar Sauce was a female domestic mixed-breed cat owned by Tabatha Bundesen in Morristown, Arizona. Her permanently dissatisfied-looking expression came from physical traits including feline dwarfism and an underbite, rather than from an unusually bad temperament. Her owner said she was normally a gentle, ordinary cat despite the famous scowl.

Her internet fame began on September 22, 2012, when Tabatha’s brother Bryan Bundesen posted her photograph on Reddit. Users quickly turned the image into captioned memes, pairing her expression with sarcastic complaints and gloomy observations. The nickname “Grumpy Cat” became far more recognizable than her given name, which is why the two are often treated as interchangeable.

Tardar Sauce later appeared at events such as South by Southwest, represented commercial brands including Friskies, and inspired books, merchandise, and a television film. She died on May 14, 2019, at age seven, after complications from a urinary tract infection.