The black and white cat graphic shown in portions of the opening credits is Grumpy Cat's real life brother, Pokey.
The second Internet même to be the basis for a movie, after Safety Not Guaranteed - also starring Aubrey Plaza.
Grumpy Cat is a female, and her name is Tardar Sauce.
On "Jimmy Kimmel Live!", Aubrey Plaza stated the film did not make any sense to her and jokingly prefer to watch the film intoxicated.
Grumpy Cat was born on April 4th 2012 in Morristown, Arizona.