Grumpy Cat’s rise could be partially due to the meme-ability of her face, the internet’s perpetual obsession with cats and how she soon became a shorthand for every level of disgruntlement.

Grumpy Cat, the 11-month old feline who is actually quite sweet and is really named "Tardar Sauce" (a colloquial spelling of "Tartar Sauce," for her color), is in town from her home in Arizona for ...