We all know there's a lot of fucked-up stuff in cartoons. From talking animals to unreasonable superpowers, cartoons require you to free your imagination.

But some cartoons go the extra mile and are just so unrealistic — down to the root of the show. Here's just a few of our favorites:

1. CatDog

Why it's messed up: CatDog is a bi-cranial quadruped who lives in a house made of a fish and a bone combined (however that works). Many wonder how a creature like this came to be, but we are here to ask the important question: HOW DO THEY POOP?

2. The Replacements

Why it's messed up: These little savages can simply make a call with a cell phone and switch people they don't like for someone they DO like.

3. ChalkZone

Why it's messed up: Rudy has the ability to climb into a chalkboard and then on the other side is a world where everything that was drawn/erased on the board is alive... terrifying. Inside lives Rudy's best friend, Snap, who is also a character he drew.

4. Aaahh!!! Real Monsters

Why it's messed up: I don't even know WTF these things are. One of 'em looks like a snake, another like a bunny, and the last one is just hairy (and is holding eyes in his hands). They run around New York City trying to be scary, but judging by their appearance, you can tell that doesn't go over too well.

5. The Wild Thornberrys

Why it's messed up: This chimp, Darwin, travels around the world with a family filming a nature show. He also has a British accent. LOL. Also are we supposed to think there's nothing strange about Donnie? Because there definitely is.

6. Phineas and Ferb

Why it's messed up: Phineas and Ferb are step-brothers who build unbelievable contraptions in an afternoon. Some of these include a roller coaster, a space shuttle, and a time machine. "Aren't you a little young to build a roller coaster?"

7. Invader Zim

Why it's messed up: Zim is an alien on Earth with a robot assistant named Gir. When Gir goes OUT in public he wears this green "mongoose-dog" suit. Lmk how people actually believe that Gir is a dog. There's literally a zipper right under his chin. WAKE UP, PEOPLE.

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