Top 10 Scariest Cartoon Characters of All Time

The Top Ten
1 Bugle Monster (Courage the Cowardly Dog)

Courage the cowardly dog could be too scary for kids

Man is courage first dream in perfect scary

Anything from this show is terrifying.

2 Him (PowerPuff Girls)

Him is a good character. But he's no match for mojo jojo.

His voice is more scarier than his appearances.

She/he's so scary they didn't give 'him' a name

3 Red Guy (Cow and Chicken)
4 King Ramses (Courage the Cowardly Dog)

King Ramses is in my opinion the scariest cartoon characters ever

How the hell is king ramses not in the top 5

5 Salad Fingers (Salad Fingers)
6 Hexadecimal (ReBoot)

Changes her expressions extremely and has a perversion relationship on bob. Shes not just adds the tense, she has perverted connections with bob which adds the uncomfortable factor to her

7 CatDog (CatDog)

Just because he's a "freak", doesn't mean that he's scary.

American cartoons went strange in the 90s.

CatDog isn't scary.

8 Arnie (Hey Arnold!)

Arnie is really weird. No wonder his first appearance was in an episode called "weird Cousin".

Arnie is not that weird.
Trust me, I've seen a lot of weird in my life. A LOT.

You mean Arnie?

9 Fliqpy (Happy Tree Friends)
10 Marble Pie (My Little Pony)
The Contenders
11 Bill Cipher (Gravity Falls) Bill Cipher is a triangular dream demon formerly existent only in the mindscape who wished to gain access to the real world. He has been running amok in Gravity Falls, Oregon since being summoned by Stanford Pines over thirty years ago. He is known for his mysterious demeanor and sadistic humor. He ...read more.

He is the only legit thing on this list. He is one of the most powerful beings to ever exist in the cartoons world, and would kill thanos in an instantly.

You don’t mess with him. If gravity falls was not a kids show, they would make him even more terrifying. Torturing people and making them lose their minds is only the icing on the cake...

How I thought it went.Boss: O right people, we need ideas for a villain for gravity falls. Have any ideas. Employee: How about a triangle. Everyone: laughs. Boss: okay okay why the heck would you think he would be a good idea. Employee: he has one eye, wears a top hat and bow tie and has the ability to shuffle someone's face, mess with time, gravity, and physics, make people insane, turn people to stone, distort the intro of the show and create unholy abominations and only desires chaos, death, and creating a throne of misery of frozen people. Everyone: gasps and one of them walks out of the room. Boss: an...anyone have any other ideas. No. Then this villain will do then.

He tortures kids, blackmails, drives people insane... in short I'd never put HIM on my guest list...

Discord's worst nightmare: a rival with creepypasta material

12 Freaky Fred (Courage the Cowardly Dog) Freaky Fred is a fictional character from the Cartoon Network animated series, Courage the Cowardly Dog.
13 Fluttershy (My Little Pony) Fluttershy is a female pegasus pony from the 2010-2019 animated TV show My Little Pony: Friendship is Magic. She is a kind pegasus and is very timid and shy. She takes care of the animals. She represents the element of kindness
14 Emo Celestia (My Little Pony)
15 Eugene H. Krabs (Spongebob Squarepants) Eugene H. Krabs, or simply Mr. Krabs, is a fictional character in the American animated television series SpongeBob SquarePants.

Rich, greedy, mean, horrid, bad, cruel, vile, cheap.

This crybaby manchild is not scary

16 Princess Twilight Sparkle (My Little Pony)
17 Cell (Dragon Ball Z) Cell is a fictional character in the Dragon Ball series by Akira Toriyama. He is the main antagonist of the Android Saga, being an android/artificial life form from the future, whose goal is to become "perfect" via absorbing Androids 17 and 18 and becoming the strongest fighter in the universe.

He is really scary because he's an alien who sucked people's flesh (especially an innocent man holding a cash) with his pointy tail.

18 Rocko (Rocko's Modern Life) Rocko is the eponymous fictional character of the cartoon Rocko's Modern Life and the comic book series of the same name.
19 Kid Buu (Dragon Ball) Kid Buu is an anime fictional character from the anime series, Dragon Ball Z, created by Akira Toriyama.
20 Luna (My Little Pony)
21 Big Baby (Rugrats)

Now this I can agree on

22 Sunset Shimmer (My Little Pony) Sunset Shimmer is a female unicorn pony-turned-human and former antagonist introduced in My Little Pony Equestria Girls. She is a student at Canterlot High School, a former student of Princess Celestia, and a rhythm guitarist for the student band The Rainbooms.
23 Black Goku (Dragon Ball Super)
24 Nightmare Star (My Little Pony)
25 Derpy Hooves (My Little Pony Friendship is Magic) Derpy Hooves is a female Pegasus from the 2010s kids show My Little Pony:Friendship is Magic. She is described as dumb and clumsy. Her occupation is a delivery mare.
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