With a roster that has now spilled over the one-thousand mark, Pokémon is teeming with variety across 18 types with even more type combinations, and each species takes inspiration from unique creatures, concepts, or folklore. Every type naturally has its standout Pokémon and plenty that fade into obscurity, but many Pocket Monsters look much tougher or more imposing than they actually are.
Source：https://www.cbr.com/weak-pokemon-look-scary/
