A few days ago, we showed you folks that not all dogs are actually a man’s best friend, and now, it’s time to prove to you that cats aren’t so pleasant, either. Of course, we all know that one day they’ll rule the world with their eccentric, odd, and crazy behaviour. After all, they already behave like ninjas as it is. Sit back, relax, and get ready to laugh – here’s a selection of the 30 meanest cats you’ll ever set your eyes upon. Let’s hope you don’t encounter one of these guys anytime soon!