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This is war!

Mr. Cat the cat (known as Mr Chat in the French dub) is the deuteragonist as well as the main antagonist of Kaeloo.


Mr. Cat is an orange cat with brown stripes on some parts of his body. He has red eyes. Like a real cat, he has whiskers and sharp canine teeth, and retractable claws, which are black when they're out. He wears a pair of dark purple fingerless gloves, like Stumpy's.


In "Let's Play Quantum Mechanics", Mr. Cat appears in the form of a human. His human form is Caucasian with red hair. He wears an unzipped orange jacket with brown stripes, similar to how his cat form has orange fur with brown stripes. Under the jacket, he wears a red shirt with a picture of a psychopathic smiling cat on it. He wears the same fingerless gloves as his cat form. He also wears loose-fitting khaki pants with a black belt, and dark brown boots.



Aptly described by Kaeloo as "evil, sadistic, cruel, hypocritical, egoistic, and psychopathic" (and taking it as a compliment), he always wants to win, whatever the means and is even willing to cheat to do so. He especially enjoys torturing Quack Quack, which upsets Kaeloo and is the usual cause of her transformation into Bad Kaeloo.


Mr. Cat has proven to be incredibly selfish and manipulative. He will do anything to get what he wants, even if it means hurting other people. His manipulative schemes include Quack Quack into breaking up with Eugly as part of an elaborate plan to get Kaeloo to kiss him on Valentine's Day, and threatening to commit suicide if his friends didn't buy him an expensive spa package.

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The series' pilot shows that he has a crush on Kaeloo, as well as several other episodes; this crush is reciprocated, though it is not clear if either one of them is aware of the mutual nature of their feelings.

Mr. Cat can be nice sometimes, and he cares about his friends Kaeloo, Stumpy and Quack Quack deep down. If somebody else (such as Olaf or Pretty) messes with his friends, he will attempt to defend them and may even try to do something horrible to the aggressor to avenge them. In "Let's Play Hallo, Hello, Ola" he was extremely guilty when he realized that his actions had probably let down his fans, showing that he also cares about the viewers. He claims to hate having to play games with the others, but he has confessed to the audience that he hates it when the others have fun without him. In the rare event that the others start playing without him, he is utterly infuriated and calls them out for leaving him out.

Mr. Cat strongly believes in the idea of "being yourself" and is generally apathetic towards other people's opinion of him. The sole exception to this rule is Kaeloo; episodes like "Let's Play Tea Party" and "Let's Play the Door" suggest that he is willing to go to extreme lengths to make sure that her view of him is not tarnished in any way.

Despite his mature and adult-like personality, Mr. Cat has often exhibited childlike behavior; he owns a favorite stuffed toy, the missiles in his bazookas have crayon faces drawn on them, and he still believes in fairies.


Mr. Cat is very skilled at many things, though not to the same extent as Quack Quack. He is very smart, as he invented a cloning machine in "Let's Play Detectives", a ratings collecting device in "Let's Play TV News", and is stated to have several other inventions, and is knowledgeable of some of the more complex scientific principles. He is also able to emotionally manipulate the others to some extent. As seen in "Let's Play Small Business" and"Let's Play at Saving Money", he is very good at managing finances. He is also a skilled athlete as shown in "Let's Play Scaredy Cat", where he fought several hordes of zombies by himself, or in "Let's Play the Quest for the Wholly Gruel" where he manages to dodge several falling meteorites and pull Kaeloo out of the path of the meteorites as well while running.

Mr. Cat fighting zombies

He is very sneaky and can go from place to place without anyone noticing, even without using a cat flap.

He has numerous cat flaps placed around Smileyland, which can serve to teleport to other places (and thus be used to cheat at games) and serve as a habitat as well.


He also has the ability to create numerous clones of himself. It is unknown whether this is because he owns a cloning machine or not.

Mr. Cat, with numerous clones of himself

Being a cat, Mr. Cat also possesses certain unique abilities such as seeing in the dark and predicting the weather.


Season 3


Mr. Cat was originally from a big city. As a young kitten, he was abused by his family members. Not much is known about his family other than the fact that his father was an alcoholic gangster, his mother yelled at him, and he had two older brothers who would bully him. When he was old enough he ran away from home, to Smileyland, where he expected peace and quiet, but instead got Kaeloo, Stumpy and Quack Quack. "Let's Play Bye Bye, Yoghurt" implies that at least one person he knew died when he was younger.

As a younger child, he attended school with Kaeloo, Stumpy and Quack Quack; it is unknown if they still go to the same school in the present day. At the time, everyone used to call him Mr. Kitten (M. Chaton in the French dub).

In "Let's Play Baby-Sitting", it is mentioned that he was, as a baby, tied up in a sack and thrown into a river and subsequently rescued by a salmon who raised him as her own son. Whether or not this story is true is left unclear.

In "Let's Play Circuses", it is revealed that Mr. Cat used to work in a zoo in Rome, Italy. This detail is exlusive to the English dub.

It is stated in "Let's Play Carrot & Co." that he had at some point in his life been addicted to carrots before he gave them up (however, he is still addicted to smoking and alcohol).

It is hinted in the episode "Let's Play Goodbye, Mr. Cat" that he was the last one of the main four to get to Smileyland, seeing as he knew the least about the planet's rules. It was also hinted at that he is the oldest of the buddies. Mr. Cat is older than Stumpy, who is 10, which means that he is at least 11. It has, however, been confirmed that Kaeloo and Mr. Cat are definitely older than Stumpy and Quack Quack. A few lines in the Pilot suggest that these two might have been adults in the original concept.

Despite, or perhaps because of, Kaeloo's transformations into Bad Kaeloo, Mr. Cat seems to have formed a crush on her. There are hints of this in several episodes, and the feeling may be mutual. In "Let's Play the End of the World", Mr. Cat says that he had a crush on her from the day they first met.

Role in the show

Mr. Cat is the show's primary antagonist, and he sadistically tortures everybody, especially Quack Quack. He is normally the one responsible for Kaeloo's transformations. Several episodes of the show prove that he is in love with Kaeloo and enjoys seeing her transform, which may be his reason for provoking her all the time. In a few episodes, such as "Let's Play Frosted Christmas", he is one of the heroes instead of a villain. In episodes such as "Let's Play Cops and Robbers", Mr. Cat is blamed for crimes he had nothing to do with because everyone believes he would be the most likely to do things like that. When the main four are stuck in a difficult situation that they need to get out of, Mr. Cat is often the one who takes charge and leads them in coming up with a solution.

Mr. Cat is one of the main reasons the show has one of the things it is known for, its ability to get mature content under the radar.


Mr. Cat frequently breaks the fourth wall by speaking directly to the audience.

Criminal Record

Over the course of the series, Mr. Cat has committed several crimes, including:

  • Animal abuse
  • Armed robbery
  • Arson
  • Assault
  • Attempted murder
  • Attempted rape
  • Breaking and entering
  • Child abuse
  • Child endangerment
  • Intellectual Property Theft
  • Framing
  • Forceful confinement
  • Kidnapping
  • Larceny
  • Piracy
  • Scamming
  • Sexual harassment
  • Stalking
  • Threatening with a deadly weapon
  • Torture
  • Vandalism
  • Underage drinking
  • Underage smoking



Animalistic Behaviors

  • He can see in the dark.
  • He eats meat.
  • He sleeps a lot during the day.
  • He stretches his paws before or after sleeping, and occasionally kneads a surface with his paws before lying on it. While sleeping, he is often shown to be curled up like a real cat.
  • He likes playing with balls.
  • He can speak in meows.
  • He licks his fur to clean himself (though he does sometimes take regular baths).
  • He uses cat flaps and lives in one of them.

Names in Other Languages

Dub Name
English Mr. Cat
French Monsieur Chat
Greek Κύριος Γάτος
Hindi Mr. Cat
Italian Mr. Cat
Polish Pan Kot
Portuguese Mr. Cat
Serbian Čak


  • Mr. Cat is the show's second most popular character, the first is Stumpy. In a poll asking viewers whether they liked Kaeloo or Mr. Cat, he won almost all the votes.
  • Mr. Cat has nine lives, a fact which is stated in multiple episodes. This is a reference to the myth that cats have nine lives.
  • He enjoys eating meat, including sausages, ducks, horses and fish. In some episodes, he has expressed a desire to eat Stumpy and Quack Quack.
  • He shows animalistic behavior more often than the other characters.
  • One episode showed that he is both paranoid and schizophrenic.
  • There are several hints in the show that Mr. Cat has some connection to Germany:
    • He speaks fluent German.
    • He can do a good German accent.
    • His imaginary friend, Friedrich, has a German name, and whenever Mr. Cat speaks to Friedrich, he talks in a German accent.
    • In "Let's Play Quantum Mechanics", Mr. Cat is shown interjecting several German words into his speech when he gives a lecture on particle physics.
  • In the episode "Let's Play Ki Cé Ka Raison", it was revealed that Mr. Cat is right about everything, all the time.
  • Mr. Cat has stated that his favorite books are "Around the World in 80 Days" and "Gulliver's Travels".
  • Mr. Cat's favorite game is "Scaredy Cat".
  • In "Let's Play Stumpy's I.Q.", Mr. Cat mentions that he wants to become a dentist. However, he may have just been joking. However, in "Let's Play Keep Smiling", he does operate on Stumpy as a dentist, though this may have just been another joke.
  • In "Let's Play Super Pretty TV", it is revealed that whenever somebody is too kind, Mr. Cat gets an allergic reaction.
  • It has been hinted at that Mr. Cat is a cat of mixed breed rather than a purebred.
  • "Let's Play the School of Lies" revealed that when Mr. Cat was younger, he used to go by the name Mr. Kitten.
  • In "Let's Play Figure Skating", Mr. Cat says he sleeps at least 16 hours a day.
  • In 2011, the official Facebook page mentioned that Mr. Cat's favorite school subject was history. However, the series seems to have replaced it with a love of science, especially physics.
  • Mr. Cat is older than Stumpy, who is 10, so he is at least 11.
  • In the French dub, Mr. Cat is often referred to by other characters as "vous qui savez tout sur tout" (literally: you who know everything about everything).
  • Despite the fact that he is just a preteen, he has several adult habits.
  • His full name may be Mr. Cat Catone because his father's surname is Catone (Chatone in French).
  • In "Let's Play at Seeing in All the Colors", Mr. Cat says that his favorite color is green, since it's the color of paper money. It is left up to interpretation if it may also be caused by the fact that Kaeloo is green too.

Official Video


Monsieur Chat


Mr. Cat's gallery can be viewed here.

Main Characters
KaelooStumpyQuack QuackMr. Cat
Secondary Characters
Minor Characters
Kaeloo's Family KurtKarlKevinKlausJamosJackKarineErnestGenevieve de la LeapfrogKaeloo's MotherKaeloo's FatherKaeloo's SiblingsKaeloo's AuntPrehistoric KaelooKaeloo and Mr. Cat's Future Children
Stumpy's Family Stumpy's MotherStumpy's FatherStumpy's SistersStumpy's Paternal GrandmotherStumpy's Maternal GrandmotherStumpy's Maternal GrandfatherStumpy's CousinsStumpy's Distant CousinsStumpy's AuntPrehistoric Stumpy
Quack Quack's Family Quack Quack's MotherQuack Quack's FatherQuack Quack's SiblingsPrehistoric Quack QuackQuack Quack and Eugly's Future Children
Mr. Cat's Family Lola FeliciaAl ChatoneMr. Cat's BrothersAunt PussycatMr. Cat's Great GrandunclePrehistoric Mr. CatKaeloo and Mr. Cat's Future Children
Pretty and Eugly's Family Pretty and Eugly's MotherQuack Quack and Eugly's Future Children
Olaf's Family Olga
Alternate Versions Interdimensional KaelooInterdimensional StumpyInterdimensional Quack QuackInterdimensional Mr. CatParallel KaelooParallel StumpyMr. DuckMeow-Meow
Living Things UrsulaSheepFlowersAdeleDirectorFriedrichJean-GuillaumeScooter HorsesMonstersAlien SheepFliesWormsCardboard CowsChippendalesReindeer SheepFruits and VegetablesKrakenToilet MonsterBig SheepRegicideEpisodeAl Catone's BodyguardsAlley CatsMarquis of SheepSea Customs OfficerEliot KaelooMoignigulaFrancisMr. SheepSimoneBlack FleeceMr. SheepyBleat-BleatGreen SheepRed SheepBad BleatJean-RaoulJean-ReneJean-MichelHerveJeromeMr. BaaMs. BaaSuper TeacherCharonCerberusRemi GhettoValentin GhettoStumpy's Cousin's Friend's Friend's Friend's Friend's FriendMr. CoolskinBifidusBrazilian DancerDragonImaginary FriendsJournalist (Ratman)Journalists
Animate Objects SergueiMini-SergueisPlain YogurtsFruit YogurtsZombie YogurtsCannibal YogurtsMammoth YogurtsVampire YogurtsYogoColonel YogurtFridgesMs. Pink FridgeSick FridgeTrash FridgeFake FridgeBaby FridgeBradJohnnyTreasure ChestMysterious ChestWild FurnitureLetterThe Thing From Outer SpaceCardsSoda CanRobot of the Big Book of Destiny
Supernatural Great Chair SpiritGreat Spirit of YogurtsSpirit of MoronsGhostsDevilSphinxStumpy's Good FairyStumpy's Bad FairyQuack Quack's Good FairyQuack Quack's Bad FairyMr. Cat's Good FairyMr. Cat's Bad FairyKaeloo's Good FairyKaeloo's Bad FairySheep FairyAngel FrogsAngel SheepAngel YogurtsDemon SheepGhost SheepGhost YogurtsGhost AcornsDeathChronos