1 Beedrill
It can chase you in swarms and sting you with its giant poisonous stingers.
I would pass out with fear
2 Sawk
If you disturb them during their training, they get really angry and might attack you
3 Gorebyss
It sticks its needle like mouth into its prey and sucks the body fluids out of it. Even if it might not hunt people, it's a scary thing to think about
4 Darkrai
Darkrai, known in Japan as the same name, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise. I mean, if I saw a Darkrai irl, I wouldn't be that scared... in my opinion, it's some version of a cinnamon roll. Then again, I'm the person who wants to hug an insane nacho... Oh well!
I would be like OH HELL NO then run
5 Mimikyu
Mimikyu is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. It is a Ghost and Fairy type whose ability, disguise, allows it to take one hit without taking damage
6 Deoxys
Deoxys, known in Japan as the same name, is a Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise. The deoxys is a destructive monster and has dead-looking eyes that can give you nightmares. The scariest legendary pokemon species ever.
7 Nihilego
Nihilego is a dual-type Rock/Poison Pokémon introduced in Generation VII. It is not known to evolve into or from any other Pokémon. It is one of the Ultra Beasts and is known by code name UB-01 Symbiont. Or basically any of the ultra beasts
8 Sharpedo
9 Jynx
Jynx, known in Japan as Rougela, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. She is known as one of the more humanoid pokemon.
10 Ariados
Imagine walking in a jungle and seeing this
The Contenders
11 Parasect
12 Litwick
Litwick is a Ghost/Fire-type Pokémon introduced in Generation V. It resembles a small candle with a purple flame that can absorb life energy from people and Pokémon. Despite its cute appearance, Litwick's method of energy absorption gives it a somewhat sinister undertone. Its unique typing and design make it a favorite among fans and an interesting addition to any Pokémon team. It is cute but what makes it so scary
They are incredibly creepy.
13 Mr. Mime
Mr. Mime, known in Japan as Barrierd, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. A lot of people find Mr. Mimes creepy because they resemble clowns.
14 Banette
Banette, known in Japan as Juppeta, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise.
15 Yamask
Yamask, known in Japan as Desumasu, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. If you have seen that certain episode, there is no explanation needed.
16 Rayquaza
Rayquaza (pronounced "ray-quay-zah") is a Dragon/Flying type Legendary Pokémon species in Nintendo and Game Freak's Pokémon franchise. It serves as the mascot in the game Pokémon Emerald. Rayquaza can mega evolve into Mega Rayquaza provided that it does not have a Z-Crystal and it knows the move "Dragon Ascent". According to the Pokédex, it lives in the ozone layer, and frequently stops battles with Kyogre and Groudon, two other Legendaries. What (What the heck)?! Why is the Rayquaza in this list?! Rayquazas in the series are seen as protectors of Earth against invaders or other enemies such as Deoxys (which should be on this list).
17 Gastly
Gaslty, known in Japan as Ghos, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise.
18 Gengar
Gengar, known in Japan by the same name, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise.
19 Garbodor
Garbodor, known in Japan as Dustdas, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise introduced in Generation V. It is categorized as the Trash Heap Pokémon.
20 Gyarados
Gyarados is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. It evolves from one of the weakest Pokemon, Magikarp. But Gyarados has a high attack power (as of gen VII, mega Gyarados is ranking #19 for highest attack stat & would rank #10 if legendary Pokemon aren't included), and ...read more.
21 Decidueye
Decidueye, known in Japan as Junaiper, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise.
22 Electabuzz
23 Pyroar
Pyroar is a Pokémon species introduced in the Pokémon franchise's sixth generation. It is a Fire/Normal-type Pokémon known for its regal appearance and gender-based evolution. Male Pyroar have majestic manes, while females have a more streamlined look. Its design and abilities make it a notable addition to the roster of Fire-type Pokémon.
24 Ursaring
25 Beartic