What’s your favourite “bad”Pokémon, and why?

“Strong Pokémon, weak Pokémon, that is just the selfish perception of people”. That being said, what’s your favourite bad/weak Pokémon, and why is it your favourite? I’ll start, Mine is Masquerain because of the 4th chapter in Detective Pikachu (3DS) where they create a thick fog that blocks the way and all you can see is their antennae looking like menacing eyes through the fog