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This section covers the characters from the book adaptation:
Les Pyjamasques & allies
- Animal-Motif Team: Les Pyjamasques, Tatouro and Les Mascrapules, have suits and names that based on various animals respectively.
- Animal Motifs: In the original books, his motifs were primarily of a tiger. But it became a normal cat in later volumes of the series.
- Gender Flip: In the original books, Bibou started out as a male character.
- Early Adaptation Weirdness: In one of Les Pyjamasques original stories, Gluglu's costume initially had the ability to breathe underwater.
This section covers the characters from the TV adaptation:
The PJ Masks & allies
- Animal-Motif Team: The three main PJ masks, and Armadylan, have suits and superhero names that are based on a cat, owl, gecko and armadillo respectively. As for their powers, the trope is zigzagged. Catboy's super agility and sharp hearing, Gekko's Chameleon Camouflage and Wall Crawl, Owlette's ability to fly, enhanced vision and wind powers, and Armadylan's Rolling Attack are powers one could expect from a hero with that animal motive, while other powers like Catboy's Super Speed or Gekko's/Armadylan's Super Strength, are not.
- Calling Your Attacks: They pretty much always call their super powers by name when using them, usually by saying "Super" at the beginning sentence of their power.
- Curtains Match the Window: Their eye color matches their costumes.
- Dub Name Change: The original French names from the Les Pyjamasques picture book series are a bit drastic compared to their English ones.
- Conner is the most major example as his name Sacha. As a hero he is known as Yoyo.
- Owlette is known as Bibou, from "hibou" ("owl").
- Gekko is known as Gluglu, from "glu" (slime).
- Fighter, Mage, Thief: Catboy's super speed make him the thief, Owlette's intelligence makes her the Mage, and Gecko's strength makes him the fighter.
- Henshin Hero: They actively transform from regular, non-superpowered kids into their superpowered alter-egos with the help of their pajamas and wristbands.
- Land, Sea, Sky: Each of their vehicles specializes in a certain terrain. The Cat-Car is the Land, the Gekko-mobile is the Sea, and the Owl-Glider is the Sky.
- Kid Hero: They are a trio of six-year-old superheroes.
- Pajama-Clad Hero: Their costumes are essentially their pajamas, hence why they can only transform when in their pajamas.
- Primary-Color Champion: Blue for Catboy and Red for Owlette. Averted with Gekko, who wears green (a secondary color).
- Power Glows: Their suits light up whenever they use their superpowers.
- Power Trio
- Transformation Sequence: Each becomes their superhero ego through one of these.
- Transformation Trinket: The team transforms when they activate their bracelets while wearing their pajamas.
- Ambiguously Brown: Has a slightly tanner complexion when compared to Amaya and Greg in the cartoon, which suggests he might be latino. However, his skintone is exactly the same as theirs in the merchandise.
- Animal Motifs: Cats.
- Brainy Brunette: Is noted for being smart.
- Blue Is Heroic: Leader of the team and wears blue in both his civilian and superhero forms.
- Cats Hate Water: Has a bit of a phobia over getting wet, as both Connor and Catboy.
- Color-Coded Characters: Blue.
- Fanboy: Of Master Fang.
- Fast as Lightning: He has lightning in his transformation sequence and leaves lightning in his trail when using his super speed.
- Fatal Flaw: Pride. Conner/Catboy is very sure of himself, and has a tough time admitting to being bad at something. This has often led to him biting off more than he can chew, even after a failed first attempt.
- In a Single Bound: His Super Cat Jump.
- Kindhearted Cat Lover: It's only natural that a superhero with a cat motif would love them.
- Leeroy Jenkins: One of his main flaws is that he tends to rush into action without a plan, something that he had to learn to get over more than once. Lampshaded in the episode "Catboy does it again":Connor: I'm a speedster. I think with my legs.
- Shock and Awe: His transformation has a lot of lightning effects in it. He also leaves behind a trail of lightning when using his super speed.
- Super Hearing: His hearing gets greatly enhanced in his hero identity.
- Super Speed: Has this as his primary power.
- Trademark Favourite Food: It's brought up in Catboy's Tricky Ticket that he likes peaches.
- Animal Motifs: Owls.
- Badass Bookworm: Before heading off to stop a Nighttime Villain she spends her time reading a book.
- Blow You Away: Being an owl-themed hero gives one the advantage of using a lot of wind-based attacks.
- Brainy Brunette: Similar to Conner she has dark hair and is noted for being intelligent.
- Color-Coded Characters: Red.
- Eye Color Change: Her eyes change from brownish to pure red when she transforms into Owlette.
- Fangirl: Of Flossy Flash.
- Feather Flechettes: She gains this power in the season 2 episode "PJ Power Up" note .
- Flight: Natch, as she's an owl-themed superhero.
- The Glasses Gotta Go: When she turns into Owlette, she loses her glasses and can see well without them.
- Glowing Eyes: Gets these whenever her Owl Eyes are in use.
- Luckily, My Shield Will Protect Me: After getting her Owl Feathers as a new power, Owlette can use them to form a shield.
- Meganekko: Wears a pair of red glasses.
- Odd Name Out: When it comes to the English names she's the only one of the trio whose civilian and hero names don't start with the same letter.
- Red Eyes, Take Warning: Averted. Owlette has red eyes, but is still a hero.
- Red Is Heroic: Wears red as both a hero and civilian.
- Super Senses: Gains night vision in her hero identity.
- The Smurfette Principle: Is the only female in the team.
- Animal Motifs: Lizards.
- The Baby of the Bunch: Even though all three of them are the same age, he's the youngest.
- Chameleon Camouflage: Fitting with his reptilian powers' theme, Gekko can gain invisibility.
- Color-Coded Characters: Green.
- Dreadful Musician: The short All Skills shows that he desperately needs singing lessons. Later averted in Moonfizzle Balls when he sings the theme song like a pro.
- Emerald Power: Wears an all green suit, that glows with green light when he uses his powers.
- Hollywood Chameleons: Can turn his suit any color he wants.
- I Just Want to Be Special: Is prone to feeling like this on occasion.
- Lovable Lizard: A young lizard-themed superhero. He also has a pet lizard named Lionel, who acts more like a dog than a reptile (he likes to play fetch).
- Luckily, My Shield Will Protect Me: As of the season 2 episode "PJ Power Up" note , Gekko has the ability to summon 2 shields attached to his arms.
- Pint-Sized Powerhouse: He's just a young boy, but can lift objects many times bigger and heavier than himself.
- Shrinking Violet: A mild male example.
- Super Strength: His Super Gekko Muscles.
- Super-Strong Child: Again, thanks to his Super Gekko Muscles.
- Throwing Your Shield Always Works: The shields he gains in season 2 can double as throwing weapons.
- Trademark Favourite Food: The Easter episode establishes that he has a bit of an obsession with chocolate.
- Wall Crawl: One of his primary powers. With enough impulse, he can even Wall Run.
- A.I. Is a Crapshoot: A rare heroic case, PJ Robot grew so fond of the PJ Masks that he eventually turned against Romeo and joined the heroes.
- Beware the Nice Ones: When motivated by the power of friendship to defend the PJ Masks against Night Ninja, he extends his tool arms to be more intimidating. Night Ninja takes one look at the power tools and decides anywhere else would be a good place to be rather then standing in front of PJ Robot.
- HeelFace Turn: He was build by Romeo to befriend the PJ Masks and lure them into a trap, but he ended up joining them for real instead.
- Mission Control: Serves this purpose when not accompanying the PJ Masks into the field.
- Remember the New Guy?: He made his debut in Wacky Floats, where he is seen in HQ and the masks clearly already know him. Downplayed since he is given an origin episode later.
- Robot Buddy: For the PJ Masks.
- The Sixth Ranger: Becomes the fourth member of the PJ Masks in season 2.
- TV Head Robot: His head is a digital screen on which he can project a face.
- The Unintelligible: Speaks in bleeping sounds. Although every once in a while he says a few actual words.
- Animal Motifs: Armadillo
- Anti-Hero: He wants to be a hero, but is not cut out to be one and often causes more problems than he solves.
- The Big Guy: He's noticeably taller than the other heroes, and even stronger than Gekko. Gekko actually nicknames him Big Guy.
- Car Fu: The episode Nobody's Sidekick has him using a car to attack Romeo.
- Cool Helmet: He's the only hero who wears a helmet instead of a mask.
- Destructive Saviour: His biggest flaw, and one of the PJ Masks try to help him get over.
- Dig Attack: When rolled up into a ball, he is capable of these.
- Fatal Flaw: His temper is easily his greatest flaw. When he gets angry, he tends to lash out at whoever made him angry, be there friend or foe, and causing plenty of destruction in the process.
- Ground Punch: His Thunder Thump attack is one of these.
- Hero with an F in Good: Wants to be a hero, but is far too reckless, destructive and clumsy to be one.
- One Of These Is Not Like The Others: While he is an Animal-Themed Superbeing like the other three PJ's, his costume is more armored than theirs, with a helmet rather than a mask, and doesn't glow when he uses his powers. He also lacks a floor in HQ and a vehicle of his own.
- Pint-Sized Powerhouse: While he's taller than the other heroes, he is still a child and smaller than the adult characters, so it still counts.
- Rolling Attack: He can roll up into a ball to attack his opponents.
- Shockwave Stomp: He can stomp hard enough to shake the ground.
- Sixth Ranger: Wants to be this for the PJ Masks, and in some episodes actually serves as one. However, he doesn't appear in every episode, and isn't always on the side of the heroes when he does.
- Smug Super: He can be friendly, but also, cocky, arrogant and ill-tempered.
- Super Strength: Has this as one of his powers.
- Super-Strong Child: He's a Kid Hero with Super Strength as his main ability.
An Yu / The Dragon
- Action Girl: Duh
- Apologetic Attacker: She apologizes to Owlette at the end of part 1 of "Meet An Yu", telling her that she must obey Night Ninja once more, before blowing the PJ Masks away with her breath.
- Brought Down to Normal: Her powers only work on Mystery Mountain. Hence, she loses them any time she leaves the mountain.
- Fish out of Temporal Water: Due to having been trapped in the Dragon Gong for centuries, and the fact that she hardly ever leaves Mystery Mountain, she is quite unfamiliar with the modern world or modern day customs.
- Flight: She can levitate.
- Forced into Evil: When she was still a dragon, and had to obey whoever held the mallet to the gong, Night Ninja had her do his bidding.
- Instant Awesome: Just Add Dragons!: She's a magical dragon, that can also assume a human form.
- Kid Samurai: In her human form, she's a samurai girl about the same age as the PJ Masks and Night Time villains.
- Magic Music: Her flute allows her to manipulate the vines and rocks on Mystery Mountain.
- Older Than They Look: In her human form she appears to be around the same age as the heroes and villains, but she's much older than that. (her biography on the offical PJ Masks site claims she has been trapped in the Gong for 1000 years).
- Power Echoes: She speaks with an echo right before using her flute to kick Night Ninja out of her temple at the end of "Meet An Yu".
- Power Glows: In addition to speaking with an echo (see above) she also glows with an red outline when kicking Night Ninja out of her temple.
- Sealed Good in a Can: She was trapped in a gong in her dragon form, but freed by Night Ninja in "Meet An Yu" (technically, he already released her once in "The Dragon Gong", but she remained a prisoner of the gong in that episode).
- Simple Staff: Her weapon of choice is a bamboo staff.
- Teleporters and Transporters: She can teleport in a golden flash.
- Voice of the Legion: Her dragon form speaks this way.
- Were Dragon: She was exclusively in dragon form while in the gong, but seems to spend all her time in human form after being released.
- Card-Carrying Villain: The villains are not above admitting that they are evil, and what they do is bad.
- Enfant Terrible: It can be assumed they are all or close to six years old and they're villains.
- Evil Counterpart: Merchandise for the show has a tendency to pair them with the PJ Masks. Specifically Romeo with Catboy, Luna Girl with Owlette, and Night Ninja with Gekko.
- Jerk with a Heart of Gold: Romeo, Luna Girl and Night Ninja are sometimes this towards their minions. Examples include Romeo to his Robot in Nobodys Sidekick, Luna Girl to her moths in Catboy and the Butterfly Bridage, and Night Ninja to his Ninjalinos in Owlette and the Owletteenies.
- Dub Name Change: Similar to the PJ Masks, they all have different names in the original French book series.
- Romeo gets a last name in the form of "Mécano".
- Luna Girl is Sorceline.
- Night Ninja is Ninjaka and the Ninjalinos are Ninjazouaves.
- Moral Myopia: They freely lie, cheat and steal, but upon being defeated, they will often claim that it's "not fair".
- Rogues Gallery: To the PJ Masks.
- Unusually Uninteresting Sight: If some remains of their handiwork are seen during the day then usually just Conner, Amaya, and Greg notice it.
- Villain Team-Up: They mainly act on their own but have sometimes combined their specialties to cause problems. Best examples include Halloween Tricksters (between Luna Girl, Night Ninja and The Wolfy Kids) and PJ Masks vs Bad Guys United (between Romeo, Luna Girl and Night Ninja).
Romeo and his robots
- A.I. Is a Crapshoot: While his robots are usually loyal, they can turn on him on occasion. The most famous example being PJ Robot, who joined the heroes instead of helping Romeo.
- Bad Boss: Not nearly to the extent of Luna Girl and Night Ninja but he sometimes talks down to his robots, and blames them for his defeats.
- Benevolent Boss: Sometimes toward Robot such as in "Nobody's Sidekick", "PJ Masks Save Christmas" and "Christmas Time with PJ Masks".
- Big Bad: The most frequent villain to appear in the series and was the first one to appear too.
- Brainy Brunette: Has black hair and relies on inventions of his own creation to make trouble.
- Color-Coded Characters: White.
- Enemy Mine: Along with sometimes teaming up with Luna Girl and Night Ninja he has this with the PJ Masks in "PJ Masks save Christmas" and with PJ Robot only in "PJ Robot vs Romeo".
- Child Prodigy: Is nine years old, tops, and has built some seriously advanced machines.
- Dread Zeppelin: His Sky Factory, which debutes in season 3.
- Evil Genius: Is a young scientist villain.
- Evil Laugh: Quite a lot.
- Hoist by His Own Petard: On more than one occasion he failed because his inventions backfired on him.
- Fatal Flaw: Like Catboy, his is Pride. He's utterly convinced of his own genius and skill as a villain, leading him to overestimate himself. On several occasions, he's tried to take on not only the PJ Masks, but all the other Nighttime Villains as well, which always ends with him fleeing from a small army of irate superpowered people.
- Friendly Enemy: In the second Christmas episode, he eventually teamed up with the PJ Masks.
- Gadgeteer Genius: Relies on inventions he created to cause mischief in the city.
- Insufferable Genius: He's so full of himself that when he stole Gekko's voice he used it to constantly say praises about him, much to Gekko's chagrin.
- Jerk with a Heart of Gold: To Robot sometimes like in Nobodys Sidekick, "PJ Masks Save Christmas" and "Christmas time with PJ Masks". And even the PJ Masks In PJ Masks Save Christmas", PJ Robot vs Romeo" and "Christmas Time With The PJ Masks.
- Mad Scientist: A child version.
- In "Owlette and the Flash Flip Trip", he altered every picture book in town to contain images of himself.
- In "Gekko and the Mighty Moon Problem", he used a stolen laser to try and carve an image of his own face on the moon.
- Red Herring: He throws The PJ Masks off of his trail twice
- In the episode "Romeo's Crystal Clear Plan" he steals a moon crystal from The PJ Masks HQ, leading them into believing that Luna Girl is the culprit. However it turns out that she wasn't, as she was reading a book at the time of the theft.
- Then in the episode "The Lizard Theft" he throws The PJ Masks off by releasing Lionel from his cage and then having Robot plant fake evidence in the form of a wolf howl and paw prints, which point towards The Wolfy Kids. The fact that they are seen using butterfly nets to catch moths, makes them look even more suspicious. However it turns out that The Wolfy Kids had nothing to do with Lionel being out of his cage, and the reason that they were trying to catch moths, was because said moths were tickling their noses and making them sneeze.
- Robot Master: He has a robot that operates as his sidekick sometimes. He has also created several more during his appearances; including the robotic counterparts of the PJ Masks, a robot that can steal voices, Robette, and an army of PJ Robot knock-offs called the Fly Bots.
- Skunk Stripe: Has one white streak in his mainly black hair.
- Small Name, Big Ego: Not so much as Night Ninja, but he still believes himself to be the greatest inventor of all time, considering all of his inventions to be perfect and dismissing things that weren't invented by him.
- Take Over the World: He states in almost all of his appearances that this is his final goal.
- Trademark Favourite Food: He's fond of ice cream, especially double tofu pistachio.
Luna Girl, Motsuki, and the moths
- Annoying Younger Sibling: Motsuki acts as one to Luna Girl after becomming humanoid and being adopted by Luna as her little sister.
- Bad Boss: Luna Girl frequently insults her moths and often tries to replace them even after she promised she wouldn't in one episode. In "Ninja Moths" they actually attempt to kill her and "Catboy and the Butterfly Brigade" they try to leave her.
- Batman Can Breathe in Space: Anytime the characters visit the moon, Luna Girl has no trouble breathing while there. Unlike the PJ Masks, who need to wear helmets, and (in "Moon Breaker") Romeo, who had to stay inside his lab. The season 3 episode "Best Friends Forever" reveals that it's the luna magnet that grants her this ability; when the magnet began to run out of power while Luna Girl was out in space, she had to hold her breath. Motsuki also has this power.
- Beast Man: Motsuki after her second transformation in "Moth on the Moon".
- Be Careful What You Wish For: Luna Girl wanted Motsuki to become like a little sister to her after her second transformation. She got her wish; the two frequently argue, and with her new powers Motsuki can take command over the other moths away from Luna.
- Color-Coded Characters: Luna Girl dresses entirely in black.
- The Dragon: Motsuki served this role to Luna Girl after her first transformation. Averted after the second transformation, when she became Luna Girl's equal.
- Envy: A lot of Luna Girl's crimes are done simply because they involve events she is unable to be a part of due to happening at daytime leading to her mindset of "If I can't do/have it, neither can they."
- Evil Wears Black: As stated above, Luna Girl's outfit of choice is entirely black.
- Frame-Up: To Gekko in two episodes, Luna Girl steals Cameron's toy car and frames Greg (Gekko) for losing it in "Gekko's Blame Campaign", and also in "Moth on the Moon" she frames him for doing something wrong and make his best friends arguing and blaming him for doing it.
- Friendly Enemy: Luna is occasionally nice to the Masks, and they to her. In the short "Moon Rocked", the masks even threw her a surprise party for her birthday. Luna also falls into this with Night Ninja and occasionally Romeo as they team sometimes but normally argue and insult each other while doing so.
- Hover Board: Luna Girl's Luna Board.
- Jerk with a Heart of Gold: Towards her moths, her sister Motsuki, and even the PJ Masks sometimes.
- Lesser of Two Evils: In Season 1 Luna Girl can be seen as this compared to Romeo and Night Ninja. While the two other villains' schemes often revolve around Take Over the World tactics and proving their superiority, she mostly just steals things so she can play with them, with no greater plan usually involved. On several occasions, the PJ Masks have been able to negotiate a truce with her, or convince her to halt her plans by giving her something that she would like.
- Averted hard in season 2 and 3 where she is far more homicidal and murderous toward the PJ Masks such as in "Moon Madness where she outright attempts to leave Catboy stranded in space where he will die for sure. However, she still remains as an anti-hero and somewhat nice to the PJ Masks, despite her changes in the seasons, and she even saved the PJ Masks when they were trapped in space in "Best Friends Forever."
- Macabre Moth Motif: Luna has an army of moths that is [usually] following her every action. Motsuki is a humanoid moth.
- Mook Promotion: Motsuki started out as just one of Luna Girls' many nameless moths, untill Luna Girl used the moon crystal to give her a new appearance and some powers so she could become her dragon. Then, in "Moth on the Moon", she helped Motsuki undergo a complete metamorphosis into a more humanoid looking insect to act as her surrogate little sister.
- Multi-Armed and Dangerous: Motsuki in her humanoid form has four arms.
- New Powers as the Plot Demands: The only consistent thing about Luna Girl's magnet is it's ability to fire beams that allow her to levitate objects. Otherwise, it can do whatever the plot requires it to do (make the moths grow gigantic, create an impenetrable dome, hypnotise people), often with that new power only appearing in one episode, never to be seen or mentioned again.
- Non-Human Sidekick: Luna Girl has a large swarm of moths as her mooks.
- Pest Controller: Luna controls a swarm of moths. Motsuki can likewise command them.
- Psychic Powers: Her Luna Magnet allows her to use a form of this; it can fire a beam that lets her levitate anything it touches into the air.
- See the Invisible: The episode "Catboy's Tricky Ticket" has her spot an invisible Gekko right in front of her.Luna Girl: That looks like that loopy lizard!
- The Scapegoat: She tries to shift blame for her actions onto Gekko in the episode "Gekko's Blame Campaign", where she sets him up to take the blame by wrecking the city and the episode "Moth On The Moon", where she has her moths do several things setting him up to take the blame. Then in the episode "Owlette Comes Clean" she steals a telescope, setting Owlette up for breaking the lens.
- The Smurfette Principle: Luna Girl was the only female Nighttime Villain, until the Wolfy Kids were introduced in Season 2.
- Took a Level in Jerkass: Luna Girl goes from the least evil villain in season one to being far more murderous and homicidal in seasons 2 and 3.
- Went from the least evil villain in season 1 to being homicidal and murderous in season 2 and 3.
- Villainous Crush: On Gekko, of course since "Gekko Saves Christmas," and when he saved her from falling by catching her in his arms in a bridal style.
- Vocal Evolution: In Season 2, Luna Girl's voice noticeably becomes lower-pitched.
- White Hair, Black Heart: Well, silver hair in Luna's case, but otherwise it's this trope.
- Wicked Witch: Luna Girl's original French name, "Sorceline," is a play on the French word for "witch." The French version of the series refers to her as such.
Night Ninja, the Ninjalinos, and the Splat-Monster
- Adorable Evil Minions: The Ninjalinos, with how they're smaller than our heroes and villains, speak gibberish and pretty accident-prone.
- Ambiguously Human: The Ninjalinos look human, and some of them are revealed to have names, but there is still the fact that they talk in their own gibberish, are smaller than even the other kid characters, and we never see what they look like underneath their masks.
- Color-Coded Characters: Teal for Night Ninja, purple for the Ninjalinos, red for the Splat-Monster.
- Crouching Moron, Hidden Badass: Night Ninja barks more than he bites and it's usually his Ninjalinos who do all the work and while he may be Small Name, Big Ego, he certainly isn't to be underestimated; on several occasions he's been able to easily outmaneuver the PJ Masks with moves that would have put the most skilled acrobats to shame, he's quite accurate with his "sticky splats" and if the episode "Gekko and the Rock of All Power" is any indication, his strength may rival Gekko's.
- Depending on the Writer: It is unclear exactly how many Ninjalinos there are. Their numbers vary from episode to episode, ranging from only 3 to over a dozen.
- Dreadful Musician: The episode "Catboy's Great Gig" has him singing with the ninjalino's as his band, but Night Ninja is so bad at singing that he breaks the school windows and the lampposts as well.
- Frame-Up: To the PJ Masks in "Armadylan Menace", Night Ninja frames the PJ Masks for stealing the the new Flossy Flash comics, it causes Armadylan to blame them and started to against them for their criminal.
- Friendly Enemy: The Ninjalinos and Night Ninja sometimes get along pretty well with the heroes. They are also this with Luna Girl and Romeo as they team up with them every s often but usually argue while doing so.
- Gratuitous Ninja: Is this to the show, which is set in modern times but features a ninja anyway.
- Highly Visible Ninja: He really likes to be in the spotlight.
- Lilliputians: One of the Ninjalino's, appropriately called the Teeny Weeny ninjalino, is barely a few inches tall.
- Homing Projectile: One thing that makes Teeny Weeny so dangerous when he turns into the Splat Monster, is that he can telepatically control any sticky splat projectiles he fires, allowing him to make them home in on the intended target, so dodging the projectile won't work.
- Make a Wish: The season 2 episode "The Dragon Gong" has him steal the titular gong and the mallet that activates it. He then uses it to wish for An Yu (in dragon form) who resides inside the gong to attack the PJ Masks. When she orders him to return the mallet he refuses, and uses her for his own selfish purposes, which she's not too happy about.
- Mind over Matter: In season 2, he and the Ninjalinos gain the "Ninja Fingers" technique, allowing them to levitate things.
- Mini Mook: The Ninjalinos basically look like miniature versions of Night Ninja. Taken Up to Eleven with Teeny Weeny, who barely reaches up to the normal character's feet.
- Never My Fault: Night Ninja is quick to blame the Ninjalinos when his plans fail. Sometimes justified, as there were occasions when his plans DID fail because of them.
- Nice Job Fixing It, Villain!: He is the one who released An Yu by bringing the dragon gong to Mystery Mountain.
- One-Winged Angel: For Teeny Weeny, of all people; in "The Splat Monster", he falls into a pool of transforming splat and becomes a huge, muscular monster named the Splat Monster. He is transformed back by the end of the episode, but several other episodes see him temporarily regain this form.
- Psychic Powers: the Ninja Fingers technique, that allows Night Ninja and the Ninjalino's to levitate entire buildings up into the sky.
- Small Name, Big Ego: Most of Night Ninja's schemes involve proving he's the greatest and most skilled person around.
- Sticky Situation: Their Weapon of Choice is sticky splat, a substance that acts like super tough glue and comes in various forms.
- The Unintelligible: Ninjalinos speak in gibberish, with occasional words thrown in.
The Wolfy Kids
- Blinding Bangs: Kevin's hair completely covers his eyes. Oddly enough, promotional images and merchandise tend to give him one eye visible.
- Catchphrase: Yip-Yip-Yaroo!. Shackadoodle also pops up occasionally
- Childish Tooth Gap: Howler has a visible one.
- Does Not Like Spam: As shown in Easter Wolfies, Howler hates raw onions, and Rip can't stand potatoes.
- In a Single Bound: They can leap great distances.
- Leitmotif: An electric guitar.
- Make Me Wanna Shout: They can weaponize their howl.
- Odd Name Out: Their names are Howler, Rip... and Kevin.
- Our Werewolves Are Different: Physically, they mostly resemble the beastman version of werewolves (human looking, but with claws on their hands and feet, sharp teeth, pointy ears and long messy hair). They also display typical wolf behaviour like running on all fours, howling, and biting, but can also walk on just their hind legs, and are still capable of human speech.
- Skunk Stripe: Howler has two of them.
- The Ditz: Kevin is the dumbest of the entire cast by a long shot.
- The Nose Knows: Sort of a requirement of lycanthropy.
- The Smurfette Principle: While Rip is not the only female nighttime villain, she's the only girl in the Wolfy Kids team.
- Terrible Trio: The team consists of 3 members, Rip, Howler and Kevin.
- Token Good Teammate: Kevin is the least evil of the 3, which is the main point in the episode "The Good Wolfy.
- Tom the Dark Lord: One of them is simply called Kevin.
- Trademark Favourite Food: Kevin mentions that he likes hot dogs and pink marshmallows in Halloween Tricksters and Wolfy Mountain, respectively. Also, if The Wolfies Take HQ is anything to go by, Rip likes strawberries.
- Two Guys and a Girl.
- Waxing Lyrical: The episode "Wolfy Powers" has them do this with the Theme Song for the show, with them replacing the words (for instance "I can't think of a rhyme!" becomes "And WOLFIN' IT UP!")
- Werewolf Theme Naming: Played straight with Howler and Rip, but averted with Kevin.
- You Gotta Have Blue Hair: Rip and Kevin both have purple hair, with the former having magenta tips as well.
- Color-Coded Characters: Orange
- Cool Teacher: The PJ Masks certainly consider him one, judging by their reactions in "Teacher Goes Ninja". That episode he qualified, though in an evil way, by temporarily becomming a skilled ninja.
- Megane: Wears a green pair of glasses.
- No Name Given: Is simply known as "Teacher".
- Real Men Wear Pink: His pyjamas are pink, with a strawberry pattern.
- Action Girl: A female hero who, if Amaya is to be believed, kan kick ass.
- Girl-Show Ghetto: In-Universe example that is played straight in season 1, where Amaya is the only character who is a fan of her. Averted as of Season 2, when Armadylan is revealed to be a fan as well.
- Purple Is Powerful: A powerful superheroine in an all purple costume.
- Telepathy: She can tell where people are simply by thinking.