#1: REN HOEX:
I think I use to like this guy.
I certainly love the voice every time I watch youtube clips of this show. He's actually HILARIOUS..
But, as expected, ADULT PARTY took his well known insanity WAY too far. Making him a TORTURE PORN.
Quite lterary.
I mean torturing other living creatures is PORN to him. He fucking masturbates towards the misery and suffering of others in the adult party verison. That kinda speaks for itself, doesn't it?
But as I remember, even in the original. Ren wasn't excatly a "pleasant person".
We all loved him.
But still.. His villainish acts contain the following...

SPACE MADNESS:
In this episode, Ren, while bathing, descends into madness (eating a bar of soap), then becomes a homicidal maniac who wants to destroy the universe, which he eventually achieves by enticing Stimpy into pushing a history-eraser button.

SVEN HOEK:
In the episode Sven Höek, Ren is about to beat Stimpy with a baseball bat after the latter infuriates him with wanton stupidity, however he stops when his cousin arrives - convinced his cousin is a genius, Ren belittles Stimpy by telling him to say hello to a superior being.
Yet Ren's expectations are shattered when his cousin turns out to be as stupid as Stimpy and he quickly becomes angered with the two, however he restrains himself long enough to go to work - warning them to behave while he is gone.
Yet when Ren returns, he soon breaks down when his prized possessions are destroyed (his Opera records covered in bubble gum, his collection of "rare, incurable diseases" unleashed and his dinosaur droppings painted to look like Easter eggs).
Enraged beyond rational thought, Ren confronts Stimpy and his cousin in what has since become a classic scene showing Ren's sadistic insanity as he graphically details how he shall torture the two - however before he can go through with his threat he decides to go to the bathroom, telling his would-be victims to wait for him (or face the consequences).
Ren's own bullying nature proves his downfall however when he stumbles across a board game Stimpy was playing (called "Don't Whizz On The Electric Fence") - asking if this was their favorite game, Ren proceeds to urinate over it while grinning demonically, only to end up electrocuted as a result.
The episode ends with Ren, Stimpy, and his cousin in Hell where Satan looks at Ren and asks, "So, you whizzed on the electric fence, right?"

STIMPY'S FANCLUB:
In the episode Stimpy's Fan Club, Ren delves into an infamously disturbing display of madness, where he finds out the fans love Stimpy more than they do Ren. When put in charge of responding to Stimpy's fan mail, he gives in to the temptation to write rude responses to them, even ridiculing a little boy with a bed-wetting problem who wrote to Stimpy for help. Later, Stimpy gets more fan-mail while Ren receives hate mail. This makes Ren more and more deranged. That night Ren stays awake in bed all night, babbling to himself while watching a sleeping Stimpy - after a progressively dark series of hallucinations Ren attempts to snap Stimpy's neck and kill him in his sleep, until he is stopped by his "hot, stinging brain" (a hallucinated pain perhaps caused by his conscience). However, the next morning Ren finally receives a fan letter that turns out to be from Stimpy himself and Ren then realizes what a jealous jerk he was, breaking down and sobbing (showing that Ren does care for Stimpy and is not always in control of his actions).
Despite redeeming himself in the end, this is one of the worst things Ren has ever done (trying to murder his best friend for people liking him more). And one of the many times he came dangerously close to being a Complete Monster.

BEST MAN'S FRIEND:
Although this episode was going to be the pilot episode of the original series, Ren's negative attitudes and acts of violence led to it being banned by the network (though strangely, Ren is tame in this episode compared to his acts in Stimpy's Fan Club). After being adopted by their abusive owner, George Liquor, Ren and Stimpy are being trained to attack. When George Liquor encourages Ren to attack him, Ren takes the opportunity to retaliate, bludgeoning him madly paddling with an oar until he's unconscious.

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#2: ERIC CARTMAN:



Yes. I actually LOVE this guy.
so your probably wondering what the hell's doing on such a list.

Well let me explain.
Eric is EXCATLY the type of "horrible" I'm going for in this article.
Villains wiki describe him as...

"Despite being one of the five main characters on the show, and arguably the most popular and mascot, Cartman is evil, sociopathic, foul-mouthed (the most foul-mouthed on the show), lazy, selfish, spoiled, greedy, and openly prejudiced against anyone who is not a heterosexual Caucasian male. Cartman usually does and says despicable things for fun or a higher self-serving purpose, such as theft, lying, slander, even tourture and murder. He once calmly said that other peoples pain and suffering amuses him, seemingly not realizing that this was a bad thing. On occasions he embraces the negative side of life, such as willingly and knowingly being a fearmonger for petty, selfish reasons. He is constantly making nasty remarks at the expense of Hebrews, African Americans and flatly thinks females are automatically inferior to males in everything. He also stereotypes every race and religion (positively and negatively) without hesitation or shame. Due to the messed up nature of South Park, his stereotyping usually turns out right."..


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#3: MR KRABS:

"Some people say that ALL the Spongebob characters have got worse. As the Spongebob series is has gone on.. But in my opinion. Mr Krabs has been a greedy, money obsessing, monster, the WHOLE time!.. For nearly two decades, this krab has exploited one of the nicest, most positive thinking cartoon characters ever created, into slave label!.. He has no consideration for anyone, 'including' his own daughter.. Unless cold hard cash is involved!.. He's just one big lesson in the dangers of obsessing over finical gain.. He laughs in the face of his slowly dying competitor.. And exploits all the fish people in the ocean with fast food that can literary make their thighs explode!" - PhantomStrider



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#4: ALLEN GREGORY:

I never seen this show, (except that Jonah Hill plays him, so how bad could it REALLY be?)
So I would be quoting PhantomStrider again..

"Many of us have seen the stereotype, of the portentous, over privalaged, rich boy before.. Characters like Richie Rich, that that sort of the thing.. But the creators of Allen Gregory thought, Pfft, that's nothing. Let's take all the portentousness into a fine laser. That can cause savage, desk throwing fury, into Gondi himself.. The entire point of this show Allen created, is to look down at all the 99.9 percent of the population. (sarcastically) What a spectaluar idea! Why don't we put a duck shooting show for the animal right group!" - PhantomStrider



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#5: BLOO:

This probably doesn't count. But phntomStrider is right.
Even the show's wikipedia page can't anything nice about him. Describing him as..

"He's at the core of his personality, a clever, self-centered, mischievous, jealous, greedy, narcissistic, immature maniac. He is also shown to be a rebel, compared to Mac, who is the smart one.. When first introduced, Bloo was shown to have a slightly more gentle personality, kind to everyone and willing to protect his creator and best friend Mac. However, somewhat quickly, his personality shifted considerably. Bloo developed a rather quirky personality and has often proclaimed himself to be "the best imaginary friend ever."



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#6: PATRICK STAR:

"He's been doing it on purpose. He's always been doing it on purpose. Everything has been completely intentional. He knows he's stupid, or at least he's pretending to be stupid. Unlike Breath of Fresh Squidward, this also affects appearances shown afterwards, even more so than the ones shown before. I stand strong in my statement that this is more of a monster than Puffy Fluffy ever was. He has become a fucking sociopath, blind to the fact that his actions can do harm to those around him. Those he used to pretend to care about, those he shared fake laughter with, Those he pretended to cry for, To think that my dog was named after this GROTESQUE CANCER OF IMAGINATION!" - TheMysteriousMrEnter

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That's all..
Big thanks to PhantomStrider for giving me the idea for this.
Check this guy out sometime

link