I get asked this question a lot, and the answer is simple:
Tard is female and her brother Pokey is male.
What breed is Grumpy Cat?
The best Grumpy Cat gifs
Grumpy Cat Valentine
Grumpy Cat Tard aka Tardar Sauce is a girl:
Grumpy Cat's brother Pokey is a boy:
Many fun animated Grumpy Cat cartoon gifs:
Grumpy Toad meme
What it feels like to submit something to the Imgur gallery or Reddit.
Evil Grumpy Cat (Red Eyes)
Look at Hank over there reading the paper. I bet he's buying a boat or something. ~Envious Cat in Snow catsnowbank meme