My entry for @artgirl's Draw Contest, hosted by 
I myself not so sure why i choose cat for this contest. I don't own any of them, actually i don't have any pet. It's just like it made me laugh or smile a bit every time I found angry-cat's expression pics on google.聽
The reference photo I've used here is one of them . May be it's not the funniest, but the mix of their cuteness as pets an the angry expression just a perfect capture..somehow :D
Done on Medibangpaint using a pentablet, here's the process: