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Maniac Monkeys

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"Monkeys, apes, they all hold stuff with their feet, man! We're talking freaks of nature!"

Apes and monkeys with human-level intelligence, whether artificial or natural, have a recurring tendency to be antagonists in fiction. If the protagonists are humans, they might be suffering an inherent sibling rivalry with the human race, and want to either wipe it out or subdue it. If it's a story with a cast of animals, they might see themselves as "superior" to the other species and try to rule over them. Either way, these monkeys are used as signs that something bad is about to go down.

This trope is distinct from Killer Space Monkey in that these monkeys are usually Super Intelligent Mad Scientists who want to Take Over the World or at least make life difficult for humanity. Another possibility is that they are Genius Bruisers determined to both overpower and Out Gambit their fellow primates. However, often they are just highly aggressive animals that attack humans (which may be Truth in Television for some primate species).


This here is the opposite of Everything's Better with Monkeys. Compare Mischief-Making Monkey, where the trouble the monkey causes is more harmless. Killer Gorilla is a subtrope, as gorillas (and other great apes) are particularly often portrayed as malevolent, due to their great strength and menacing appearance. For the underwater equivalent, see Devious Dolphins.


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     Anime & Manga  
  • The Saiyans from Dragon Ball Z are like this. They are galactic conquerors who can transform into giant apes during the full moon. Their only simian-like characteristic in their normal form is their monkey tails.
  • The apes in Princess Mononoke, who distrust and hate San.
  • Aozaru from The Twelve Kingdoms.
  • Etemon from Digimon Adventure. And Makuramon from Digimon Tamers.
  • The Beast Titan, from Attack on Titan. It's 17 meters tall, with Creepily Long Arms, a cruel, brilliant mind, and possibly the ability to turn humans into Titans. Its appearance heralds very bad things.
    • It also loves baseball and frequently makes baseball references (or at least its host does).
  • Ushio and Tora has two notable examples: The Namahage, a monster who skins women and devours their intestines in an attempt to turn into a human, is revealed to be the transformation of a macaque, who originally wanted to become a human for the sake of his childhood human friend but eventually lost himself in villainy. A later arc has some monstrous babboons lead by a gigantic white elder monkey, who enjoy eating young women. They are a nod to the tale of Shippeitaro.

     Asian Animation  
  • One of the rival teams faced by the Sunny Farm F.C. in Dreamkix had several spider monkeys who'd physically impede their progress, even in blatant displays like covering Roy's eyes and trying to drag George down. Yet they were apparently not committing fouls because they were deemed "too small and weak to really physically assault anyone".
  • Happy Heroes: As shown in episode 31 of Season 2, among planet Gray's graduate monsters is a giant ape that Big and Little M.'s commander describes as "ferocious".
  • Rimba Racer: OoAa the chimpanzee is never shown to speak intelligibly, unlike the other Funny Animals on the show, and tends to screech and grab people when annoyed.

     Comic Books  

     Fan Fic  

     Films — Animated  

     Films — Live-Action  
  • The Simians from Godzilla vs. Mechagodzilla and Terror of Mechagodzilla are green chimpanzee aliens who attempt to use Mechagodzilla to Take Over the World.
  • The Flying Monkeys from The Wizard of Oz. Though they're actually Punch Clock Villains.
  • The apes from Planet of the Apes, who have replaced humanity as the superior species.
  • The titular primate in Shakma is a genetically altered baboon with a murderous attitude.
  • Ella in Monkey Shines is an assistant to a paralyzed man who develops a psychic connection with him. Whenever he lashes out at someone, she is soon out to get them.
  • The Killer Apes of Zinj from Congo.
  • 1986 film Link had a killer chimpanzee butler, rather similar to Ella above.
  • In The Shadow of Kilimanjaro, thousands of aggressive baboons ransack villages and attack humans because a drought has depleted their natural food sources.
  • In Jumanji, the game introduces a troop of monkeys to wreak havoc: "This will not be an easy mission. Monkeys slow the expedition". Though the monkeys aren't so much dangerous as a sheer nuisance.
  • A segment from the anthology horror film Terror Tract features a killer capuchin monkey named Bobo, who has a talent for stabbing people offscreen.
  • The gorilla in Baby's Day Out doubles as this and also an ape version of a Papa Wolf.
  • A Capuchin monkey in Raiders of the Lost Ark works as a spy for Those Wacky Nazis. No, really. She ends up inadvertently helping the heroes when She eats a date and dies, tipping Sallah off that the bowl of dates is poisoned.


     Live-Action TV  
  • In Helix, the hunt for lab monkeys infected with The Virus is critical to the CDC team's effort to figure out how to contain the outbreak at a remote research base. Though their existence is at first vociferously denied by Arctic Biosystems staff, Dr. Boyle discovers infected macaques are the source of zoonotic transfer after she's attacked by an unusually intelligent and violent escaped specimen. Balleseros later finds the rest of the infected lab monkeys frozen outside the base.
  • The third season Finale of Malcolm in the Middle Entitled "Monkey" had one. After Lois' coworker Craig is injured and confined to an electric wheel chair for 6 weeks, he chooses to get a free Capuchin Monkey Butler for the permanently disabled instead of using his insurance money to pay for a nurse. At first the Monkey seems friendly and helpful, but is soon revealed to be Deranged and Homicidal as he harms Craig and attempts to murder him in cold blood. Luckily, Hal is able to stop the Monkey and Calls animal control off screen.

  • The Crazy Monkey in Stern Pinball's Family Guy; hitting him repeatedly starts "Crazy Chris" mode.
  • The "Monkey Mayhem" table of Extreme Pinball is all about this trope.
  • In The Wizard of Oz, the Flying Monkeys carry the pinball from the lower playfield to the Wicked Witch's Castle.

     Professional Wrestling  

  • Medieval bestiaries often portrayed them as allegories of the devil, and sometimes illustrated satyrs (another source of Satanic imagery) to look very ape-like. This may be where Lewis got the idea for the above example.
  • Chimpanzees are rarely depicted in African mythologies (supposedly its because they're "too close for comfort"), but when they are they're almost invariably symbols of violence and sexual depravity, with the Hemba and Gio people using them as motifs for war masks. Averted with Ghekre, however, which is a just afterlife judge depicted as a gorilla.

     Tabletop Games  
  • Among the factions of Feng Shui are the Jammers, intelligent apes working in concert with the few humans immune to the influence of Chi. They're a faction of Mad Bombers who do not care one whit about who they blow up, so long as they get to blow up Feng Shui sites and bring about Battlechimp Potemkin's dream of a world without chi.
  • Pathfinder features a city of evil sentient apes called Usaro. Their ruler, Ruthazek the Gorilla King, is one of the setting's major villains.
    • A swarm of less lethal but very annoying monkeys is summoned by the spell "Mad Monkeys".
    • One of the setting's major demon lords, Angazhan, appears as a huge demonic gorilla who associates himself with primates, jungles, and tyranny. The aforementioned Gorilla King is one of his worshipers.
  • Given that Terra Primate is at the least a loose shoutout to Planet of the Apes as a whole, this is quite applicable.
  • Dungeons & Dragons has had a wide variety of ape and monkey-based monsters appear in it during its history, such as the psionic, carnivorous Su-Monsters and four-armed, carnivorous, gorilla-like Girallons.
  • Freedom City has several, including Dr. Simian, criminal refugee from a city of intelligent apes, and Dr. Geistmann, a Nazi scientist trapped in the body of an albino ape.

     Video Games  
  • Star Fox
    • Andross is an evil genius primate who leads an army of Maniac Monkeys and has two of them as his proteges.
    • His nephew, Andrew Oikonny, is a highly incompetent Maniac Monkey, a character trait which is Played for Laughs.
    • His grandson Dash Bowman appears to be a subversion of this trope, as he joins the Star Fox team to clear his family name and right Andross's wrongs, but two of the possible endings of Star Fox Command have him follow in his grandfather's footsteps to become another galactic overlord. So far, there hasn't been a single ape or monkey in Star Fox who hasn't turned out to be evil.
    • There's also the Meteo Crusher pilot in Star Fox 64, yet another monkey who works for Andross. Falco even calls him a monkey in an insulting, derogatory way.
    Pilot: I am no match for you. I admit defeat.
    Falco: Are you gonna listen to that monkey?
  • The Monkeys from TimeSplitters. They have guns!
  • The monkeys causing havoc across time, especially Specter, from Ape Escape.
  • System Shock 2 has screeching monkeys with cryokenitic and pyrokinetic powers, who still have their heads cut open and their brains exposed from experimentation.
  • In RuneScape the monkeys and apes of Ape Atoll form a terrifying militaristic faction bent on world domination. And during the Do No Evil quest, where the desert god of monkeys has her senses split into 3 parts, and they take the form of 3 dark and powerful gorillas.
  • The demon monkeys chasing you in Temple Run.
  • Gohma Howlers from Asura's Wrath, which don't hesitate to kill humans in packs.
  • The monkeys in Alundra are bloodthirsty, violent and murderous little bastards.
  • The Monkeymen from the Thief series.
  • Morty's Cyberchimps in Super Solvers: Gizmos & Gadgets. They can steal your vehicle parts and pick up parts on the floor, making them very irritating. Feeding them a banana makes them sleep and drop their parts. Later on the slow, fat Chimps are replaced with fast, wheeled Chimps that sleep for a much shorter time.
  • The Mini-Boss "Ausf A Gestell" from Einhänder is a Humongous Mecha ape. It attacks the player's ship like a deranged robot monkey would as well as having a number of dangerous weaponry. Befittingly enough, its battle theme is called "Madness".
  • The Pokémon Mankey and its evolution, Primeape are characterised for their Hair-Trigger Temper and violent outbursts, making them notorious for going on a Roaring Rampage of Revenge for minor slights. Various renditions of Primeape describe it as being willing to "chase you down forever" in order to give you a thorough beating if you piss it off.
  • In Dominions 4, the Early Age nation of Lanka is composed of various castes of different sorts of primates, from chimps to gorillas, ruled over by gluttonous demon ogres. They're heavy users of Blood Magic and one of the few nations that can benefit from increasing the Turmoil in the land.
  • Hun Batz, the Howler Monkey God of the Mayan pantheon in Smite, is a rather sinister monkey driven with vengeance of being humiliated by the Hero Twins. While at first being introduced to replace Sun Wukong, at least Wukong's old kit was meant to be silly, Hun Batz made the kit more sinister as he's more serious in cracking the enemy's skulls wide open. Also, he babbles about The End of the World as We Know It because he's Mayan.

     Western Animation  
  • Mojo Jojo from The Powerpuff Girls.
  • During the first The Fairly OddParents! TV movie, AJ's monkey takes a bite out of a magic muffin that grants its eater any wish, regardless of Da Rules. The monkey's wish is—you guessed it—to make apes Take Over the World. Or it could have been a banana. Cosmo always mixes those two up.
  • Monkey Fist and his army of monkey ninjas from Kim Possible.
  • Baboon and his army of monkey ninjas from Skunk Fu!.
  • Dr. Wasabi's ninja chimps from Chop Socky Chooks.
  • Simian from the Dexter's Laboratory "Dial M For Monkey" shorts, though he gets a Heel–Face Turn.
  • The Monkey King from Jackie Chan Adventures.
  • Batman: The Brave and the Bold has all DC Gorillas team up to form G.A.S.P., Gorillas and Apes Seizing Power.
  • Young Justice has had robotic monkeys, Cobra venom mutated monkeys, Monsieur Mallah, The Ultra-Humanite, and Joker monkeys in the tie-in comic. You can understand Conner's hatred of these buggers.
  • Literal example from Invader Zim
    The letter M: Dib's screaming like a Maniac... monkey.
  • One episode of Back at the Barnyard dealt with a space test monkey who pretended to be friendly for awhile before revealing his true colors by somehow intending to take over the entire farm in front of the horrified animals due to his opposable thumbs (which is sort of Fridge Logic as Otis and his friends never had problems with manipulating objects before despite not having opposable thumbs), although it could all be down to playing the entire scenario for comedy.
  • Evil Monkey from Family Guy, though he and Chris eventually become friends and he moves on to another boy's closet.
    • As a throwaway joke, in the episode where the family finally discovers his existence, Meg reveals she also deals with an evil monkey, this one being bigger and scarier looking.
  • Dr. Frankenollie, the Mad Scientist from the Mickey Mouse short Runaway Brain.
  • The Mr. Bogus episode "Hipster Tripster" featured a trio of monkeys who Bogus plays around with in the first act, but in the second act, they become this after Bogus releases them from their cage. At the end of the second act, Bogus is able to corral the monkeys back into their cage by luring them away from the zoo's gift shop while hiding under a banana peel.
  • In Xiaolin Showdown, Jack Spicer's favorite Shen Gong Wu is the Monkey Staff, which gives him the appearance and characteristics of a monkey.
  • Rancid Rabbit's buddy Mr. Sunshine from CatDog hates Cat as much as his friend does.
  • Addicus from Thundercats 2011. A serial murderer (with a dose of I'm a Humanitarian), rescued from the death row by Mumm-Ra's forces to serve as a Psycho for Hire.

     Real Life  


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