but Grumpy Cat's not happy about it! Can the internet's favourite frowning feline discover the true meaning of Christmas? Voiced by Aubrey Plaza (Parks and Recreation).

The cat achieved popularity because of the distinctive expression it was born with The owners of a cat made famous online ...

Grumpy Cat Limited sued the owners of US coffee company ... the cat even starred in her own Christmas film.

She still lives on in Grumpy Cat: A Grumpy Book and the film Grumpy Cat’s Worst Christmas Ever. Everything you need to know about providing a great foster home for cats and dogs Nala the Shocked ...

Her likeness was featured on everything from merchandise to a Cheerios commercial, and even a Lifetime Christmas movie. Grumpy Cat also became the official “spokescat” for Friskies cat food ...