Pikachu is pretty much non-stop adorable. He’s cuddly. Even a bit sweet. But, boy does that little lightning mouse have a temper. It is important to recognize the signs that you’re about to get a jolt. So, study this face. When you see it, make sure you go Ground-type ASAP. In fact, it would be a good idea to bring home this Funko Pop Pokémon figure of Grumpy Pikachu so you can memorise the look!