I’ve shared these in the past, but figured I’d share them again since we have a lot of new members and it’s fitting. 
www.youtube.com/watch?v=j7rHbHiHyo8
This guy on Instagram makes some pretty nightmare-inducing Pokémon as well: www.instagram.com/davidszilagyiart/ (also shared along with some others in this thread: www.elitefourum.com/t/pokemon-your-worst-nightmare/28693/1)
Greetz,
Quuador