Top 10 Worst Cartoon Side/Background Characters

Background or rather side characters in cartoons that are terrible. I'm excluding protagonists for this list because I already made a list for that. Also like always anime characters will be excluded. Side characters or sometimes called background characters are characters that don't affect the plot as much as the main characters but are still there for either comedic relief or to keep the viewer interested.
The Top Ten
1 Squilliam Fancyson - Spongebob Squarepants Squilliam Fancyson is a fictional character in American animated series SpongeBob SquarePants. He is a rival of Squidward Tentacles. He appears in the episodes Band Geeks and Squilliam Returns as the main antagonist. He is voiced by Dee Bradley Baker.

He's basically like Squidward but more rich and annoying I don't need to say more.

2 Olga Pataki - Hey Arnold
3 Trixie Tang - Fairly Odd Parents

Don't even get me started on this terrible love interest...

She is mean to Timmy and never wants to date him

4 Muscle Man - Regular Show Mitchell (Mitch) "Muscle Man" Sorrenstein is the sixth main character of Regular Show. He is one of the groundskeepers of the Park. He is a middle-aged, green, strong, and obese human, who is often seen with his best friend, Hi Five Ghost. Muscle Man made his first debut as a cameo character in the Pilot. He made his first official appearance in "Just Set Up the Chairs". Muscle Man is voiced by Sam Marin.

From his annoying "MY MOM! " shouting to his overall terrible personality there's just nothing to like about him at all.

I don't know about you but I think he's hilarious

5 Herbert The Pervert - Family Guy

He's actually really funny.

6 Nick Dean - The Adventures of Jimmy Neutron: Boy Genius

He's a very unlikable side character in all honesty.

7 Towelie - South Park Towelie is a recurring character in the animated adult television series South Park. Towelie is a talking towel who was genetically engineered by Tynacorp, in order to allow him to make people as dry as necessary depending on the situation. He is usually seen either appearing out of nowhere to give towel advice to the citizens of South Park or getting high.

He's pretty funny.

8 Wolfgang - Hey Arnold

What happens when you just can't cut it in the planeteers? you become a generic bully

Just as bad as Francis to be honest.

9 Francis - Fairly Odd Parents

Generic flat bully enough said.

10 Rhonda Wellington Lloyd - Hey Arnold!

A annoying rich brat that's as about as enjoyable as dried pant...

The Contenders
11 Thurston - The Lion Guard
12 Makucha - The Lion Guard
13 Ushari - The Lion Guard
14 Panini - Chowder

Why is she on here? She's cool.

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