She explains: "My cat recently had a litter of kittens. My roommate Bridget Ayers and I realised this one kitten's sad face one day when we were watching them learn to walk around in my room. She was waddling around and we looked at her and both just went Oh. My. God. She looks so depressed! Perma-sad face! I decided to call this one Purrmanently Sad Cat.