If you don't know who Grumpy Cat is, it's about time you found out! Grumpy Cat, real name: Tardar Sauce, is a feline with a funny grumpy expression on her face; Grumpy Cat Quotes, Meme Grumpy Cat, Gato Grumpy, Funny Cat Memes, Funny Cats, Funny Animals, Grumpy Kitty, Cats Humor, Hilarious Jokes