Characters: Randy Cunningham: 9th Grade Ninja
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Voiced by: Ben Schwartz
The star of the show and the current Norrisville Ninja. Armed with his magical ninja suit, Randy will take on monsters and madmen as he attempts to keep that creepy Sorcerer in his hole.
- Adorkable: More specifically, he's one of those characters who thinks he's cool and tries to act cool, but is actually an enormous dork.
- Ascended Fanboy: Was the Ninja's biggest fan, and now he is the Ninja.
- Badass Adorable
- Badass Normal: Without the suit, he's still willing to do things like dive off the side of a dam and tackle a panther to try and save a friend.
- Bee Bee Gun: In the form of the Ninja Bee Ball. The bees however, attack everyone, including him.
- Book Dumb: He’s failing science, and doing poorly in most (if not all) of his classes, but he’s shown to be awesome at riddles. The first episode shows that he's pretty good at (BSing) English too since he got his highest grade so far—a B.
- Byronic Hero: Downplayed. He's a pretty decent person prone to mistakes, but is learning.
- Calling Your Attacks: He loves taking this Up to Eleven.
- Catch Phrase: "What the juice?!" He also has a number of Catch Phrases in the form of odd euphemisms and lingo, such as "that's the cheese" (that's the best), "so honkin' bruce" (that's freaking awesome), "shnasty" (extremely gross), and "so wonk" (so lame), many of which are Share Phrases.
- Character Development: While a pretty okay guy, he is learning several lessons about heroism and duty making him a better person.
- Chick Magnet: He woos Theresa Fowler and Debbie Kang in Night of the Living McFizzles.
- He also flirts with several other girls in Viva El Nomicon.
- Theresa definitely has a crush on him, as "Randy" flirting with Heidi right in front of her in Shloomp, There It Is! is enough to stank her, and it's resolved when he gives her some flowers and apologizes.
- Clothes Make the Superman: The Ninja suit. However, as Howard's disastrous time as the Ninja proved, it's Randy's courage and compassion that make him capable of true heroism.
- Cloudcuckoolander: Randy is definitely more than a bit odd and spastic, though he is often Closer to Earth than Howard.
- Cool Loser
- Distressed Dude: He is sometimes this in recent episodes, starting with Nukid on the Block. Although he's usually more of a badass-in-distress and less of a dude-in-distress than Howard, there are a fair few exceptions; Nukid on the Block where Howard stops Franz Nukid from choking him to death, Bash Johnson: 11th Grade Ninja where Bash (the actual dude-in-distress) kicks away the Robo-Ape trying to vaporise him, Sorcerer In Love 2: The Sorceress' Revenge where Howard has to save him from being dragged into another dimension, Shloomp, There It Is! where Howard has to break the chair he's tied to before he can escape, Julian's Birthday Surprise where Howard basically barters for him (seeing a pattern here?), and Fudge Factory where he's only saved by the timely arrival of Marci and her mother.
- Badass in Distress: Proves to be this in Der Monster Klub, Raiders of the Lost Nomicon, Secret Stache, Swampy Seconds, McFear Factor and Ninjception. In all of these episodes, he escapes on his own.
- Dual Wielding: Often does this with his weapons.
- Elemental Powers:
- Enemy Mine: With Viceroy against Jerry Driscoll in Dawn of the Driscoll.
- Expy: He slightly resembles a young Stanley Ipkiss.
- Friend or Idol Decision: In "Evil Spirit Week", though he barely hesitates once presented with the decision.
- Hammerspace: Where he pulls his ninja gear from, since the suit has no visible storage space.
- Healing Hands: The ninja art of healing. The first time he tried it he did not fully read how to do it and accidentally brought Jerry Driscoll's skeleton back to life (as well as multiple miscellaneous creatures in the science classroom). He has more control of it by the time of Silent Punch, Deadly Punch.
- Henshin Hero: Randy becomes The Ninja by putting on the mask of the suit, complete with Transformation Sequence.
- Heroes Want Redheads: Reveals at the start of the second season that he finds Heidi to be rather attractive given the right lighting.
- Heterosexual Life-Partners/Vitriolic Best Buds: With Howard.
- He Cleans Up Nicely: He looks good in a tuxedo.◊
- He's Got Legs: He's essentially very little torso and all legs. Certain angles seem to focus on his legs.
- Highly-Visible Ninja: Not much into stealth but can be if he has to.
- Idiot Hero: Originally this, but as he became more studious and savvy, his misunderstandings with the Nomicon primarily occur due to his selfishness and stubbornness instead of pure idiocy.
- Improvised Weapon User: Often uses nearby objects when not using the weapons in the suit.
- In the Hood: He often wears a jacket that has a hood but rarely uses it.
- James Bondage: Is this in Der Monster Klub and Secret Stache.
- Jerk with a Heart of Gold: Downplayed. He wasn't really a Jerkass to begin with, though he has his moments of being a jerk which are often rare for him to do so. On top of that, Randy is just a nice guy to begin with and he's much less of a Jerkass than Howard who's really a jerkass with a heart of gold.
- Kamehame Hadoken: The Ninja Air Fist.
- Kid Hero
- Legacy Character
- Living Legend: The Ninja has protected Norrisville for years, making Randy fit the trope by being the new Ninja.
- Mad Mathematician/Good with Numbers: His math skills were mentioned on his essay in Last Stall on the Left and then shown in Escape from Detention Island while proving Howard's innocence to Principal Slimovitz.
- On the other hand, Randy likes to cover up the Nomicon with his math textbook.
- Magic Knight: Is slowly coming into the mystical powers of the Ninja.
- Mask of Power: The Ninja Mask, when worn it becomes the Ninja Suit unless you lose the power for abusing it.
- Messy Hair
- Nice Guy
- Nice Job Breaking It, Hero: Constantly, a lot of the situations are usually caused by him either from misunderstandings, slip of the tongue or just general neglect on his part. Though most of the time he does mean well.
- Ninja: The current Norrisville Ninja.
- Ordinary High-School Student
- Power Incontinence: It happens to him in "Best Buds" after the Ninjanomicon improves his taste buds.
- Plot Allergy: The beginning of "Secret Stache." Turns out he's allergic to Mr. Weinerman's cologne which resulted in him not being able to join the Secret Stache Society
- Pragmatic Hero: Has shades of this at times; in "Flume-igation" he considers just letting the Shark-Derminator kill Viceroy and McFist so he "can be done with them forever", and the main reason he doesn't is because he knows the Nomicon will chew him out for it later if he does.
- Protagonist-Centered Morality: Subverted. He has a tendency to consciously twist whatever lesson the Nomicon is trying to teach him into support for what he wants to instead of what he needs to do. Partially justified as Nomi!Randy all but implies that he was formerly a self-centered slacker on Howard's level before becoming the Ninja.
- Scarf of Asskicking: It's also a pretty handy ninja tool.
- Shirtless Scene: He has one in Ninja Camp.
- Stock Ninja Weaponry: Has used some as the Ninja.
- Super Senses: At their strongest, they become so potent that he can taste things with his skin. On this level, they become Awesome but Impractical due to the Sensory Overload and how his attacks end up hurting himself more than his enemies because of his increased sensitivity to pain. He does however, manage to reign them in to a more manageable degree.
- Took a Level in Badass: Implied subtly but it's there. Compare how he fights in the first episode to his prowess in Monster Drill.
- Wake Up, Go to School, Save the World: More like save the school too.note
- Why Did it Have to be Chickens... and a rooster?: His phobia as revealed in McFear Factor.
- You Gotta Have Purple Hair: Turns out he's naturally purple-haired as revealed in "Secret Stache".
- And he even dyes part of it blue in "Unstank My Hart".
Voiced by: Andrew Caldwell
Howard is Randy's best friend, and despite the fact that he’s got a huge mouth, he is the only person who knows Randy is the Ninja. He is Heidi's younger brother.
A magic book containing all the knowledge and wisdom of all the former Ninjas that have written in it. Though it does not speak, it acts as an unorthodox mentor to Randy, oftentimes giving him advice or disciplining him when he goes too far. The protagonists often talk to it as if it's a character in and of itself.
- An Aesop: Tries to give one to Randy every other episode to mixed success as the boy often misinterprets or twists the lesson to fit what he wants to do at the moment.
- Art Shift: Its interior has a visual style that is quite distinct from the rest of the show.
- Augmented Reality: Gives Randy a mystical version of this that uses colorful doodles to highlight points of interest, help him deduce solutions to a problem, or to stress the lesson it was trying to teach him.
- Bigger Stick: Its solution to dealing with a mighty force is to use an even bigger one to counter it. This doesn't necessarily mean an attack or weapon; a drop off a cliff or something really heavy falling on the opposition is perfectly acceptable.
- Brain Uploading: How it brings people into it. It's possible for the wrong consciousness to enter a body on way out though.
- Chekhov's Classroom: Usually predicts the plot of the entire episode and lays out the Aesop preemptively in the form of a surprise lesson.
- Dangerous Forbidden Technique: Has a few in its "Forbidden Knowledge of the Shadow Warrior" section that include telepathy, flight, invisibility, and healing. Their true danger lies in how they require a good deal of study and practice to use safely.
- The Kindnapper: Pulls this on Randy in ''Shloomp, There It Is!", tying him to a chair inside itself and sending out NomiRandy to try and force Randy to learn that he can't rely on it for absolutely everything.
- Laser-Guided Amnesia: What it does to a Ninja after their tenure has ended. The memories and experiences aren't exactly erased, but are instead taken into the book to help future Ninjas.
- Licked by the Dog: Despite Randy's many screw-ups, the Nomicon still considers him to be pure of heart and exceptionally courageous.
- Made of Indestructium: For a dusty old book that has to be handed down through an 800-year-old (and technically endless) time loop, it's miraculously durable.
- Mind Hive: The Nomicon has the collective wisdom of every Norrisville Ninja ever, it’s clearly sentient.
- My Own Grandpa: The Ninjanomicon exists because Randy gave his blank volume to the First Ninja in order to fix the time stream.
- Only the Chosen May Wield: It can make itself virtually inaccessible to anyone, including Randy. The only one powerful enough to force it open regardless is the Sorcerer.
- Scenery Porn: Chock full of it.
- Snarky Inanimate Object
- Stable Time Loop: Part of its origin.
- Tome of Eldritch Lore: Like the Necronomicon it's based off of, the book itself is not actively malevolent, but the knowledge inside of it is dangerous if misused.
- Trickster Mentor: Though it's often blunt, it can go to exotic lengths to teach Randy a lesson.
- Unknown Rival: Advised Randy against letting Howard be a part of his life as the Ninja, but has since dropped this stance and has even supported Howard's side on certain subjects. In contrast, Howard has only gotten more resentful of the tome over time, considering it a rival for Randy's attention and respect.
- Your Mind Makes It Real: Once inside, a person can freely manipulate the world within its pages.
The owner of McFist Industries. He made a deal with the Sorcerer to destroy the Ninja for a superpower.
Voiced by: Tim Curry
(Season 1) Ben Cross (Season 2)
An ancient evil defeated and sealed by the Norisu Nine 800 years ago. In the present he made a deal with McFist to give him a superpower if he destroyed the Ninja. He "stanks" students (that is, turns them into monsters to do his evil will) to create enough chaos for him to escape his imprisonment.
- Animal Motifs: Dragons and Tigers. Jhonen pointedly made him lizard-like in appearance.
- Big Bad
- Body Snatcher: "Julian's Birthday Surprise" reveals that the body of the Sorcerer is not his own, but a merchant from the 13th Century that found one of the Chaos Orbs in a lake. The Sorcerer took over the Merchant's body, while the "Merchant" is trapped in the orbs original resting place.
- The Corrupter: He turns people in despair into monsters to do his will.
- When freed, he can do this endlessly by just hitting people or objects with his Stank. As an arguable trade-off, just hitting these monsters hard enough will return them to normal.
- Creepy Long Fingers
- The Dreaded: Despite being imprisoned, everyone who knows that he exists is genuinely terrified of him.
- Even Evil Has Loved Ones: If nothing else, he seems to be genuinely fond of the Sorceress.
- Evil Brit: He certainly has the accent.
- Evil Is Petty: Used his powers in an attempt to destroy the Golden Doctor's Note on a whim.
- Evil Sorcerer
- Faux Affably Evil: Most of his conversations he comes across as snarky or hammy and his interactions with his rat are cute. However the moment he's free, he transforms nearly the entire city into monsters and lays waste to the rest of Norrisville, all within the span of a few hours. Remember, he killed eight of the Norisu Nine.
- Four Is Death: Before he was trapped by the Ninja, four of his prayer beads were lost in the scuffle and flew off to parts unknown.
- Hard Light: Can create constructs with his magic.
- In the Hood
- Ironic Hell: 800 years ago, he coveted the power of the Tengu Stone. The First Ninja eventually used it to imprison him and he now spends his days chained to a rock with the stone high above him, in his sight, but completely out of his reach.
- Lean and Mean
- Not So Harmless: By the time the series starts, he's actually stronger than he was before he was imprisoned.
- Prophet Eyes
- Sealed Evil in a Can: The last of the Norisu Nine sealed him beneath the Earth, but in the present day, Norrisville High School was built on top of it. He still stirs up trouble in order to free himself.
- Sickly Green Glow
- Sorcerous Overlord
- You Have Failed Me: Threatens to call off the deal with McFist if he continues to fail.
Willem Viceroy III
McFist's mad scientist who creates whatever evil machinations he asks for.
The Robo Apes
The backbone of McFist's corporate empire who serve a wide variety of functions that keep the various workings and businesses of McFist Industries running. They serve a far more sinister purpose as frontline enforcers of whatever.
The Ninja of 1985. The only known Ninja to have actually lost the position due to abusing his power and being a jerk. He froze a Stank'd student to let it be a successor Ninja's problem.
Voiced by: Andy Richter
The caretaker of Detention Island who just happens to be a deranged and psychotic military robot/hologram repurposed for scholastic penalty. He really, really, really hates cheating.
A grotesque and powerful demonic bird entity that is the source of the Ninja Suit's power. It is fundamentally linked with the suit's wellbeing; Whatever damage one incurs, the other receives in turn. This also extends to the person (if any) wearing the suit during said injury. It is tentatively sealed in the stone eye of the atrium floor mosaic.
- Attack Its Weakpoint: Its Demon Feathers. After they were stripped from it and turned into the Ninja Suit, the suit itself became its weakpoint.
- Big, Badass Bird of Prey: Acts like a chicken or turkey during early stages of possession before becoming this.
- Demonic Possession: A fairly persistent variation. Even after being knocked out of its initial victim it will immediately try to repossess its former vessel.
- Expy: Its spirit form (black with a green-white-red max) greatly resembles Aku from Samurai Jack.
- Feather Flechettes
- Glowing Eyes of Doom: When its possessed victim fully transforms.
- Hellish Pupils
- Morphic Resonance: A fully possessed victim does not actually resemble the tengu's true form but carries over several of his/her traits including hairstyle.
- People Puppets: Ironically enough, the Tengu is the puppet. Randy figures out that because the Tengu is connected to the suit, he can control it by making it mimic his movements.
- Red Eyes, Take Warning: People it possesses gradually have their eyes turned red.
- Sealed Evil In A Rock
- Shown Their Work: Tengu are sometimes cited as the origin of obscure martial arts, but particularly ninjas.
The Sorcerer's soul mate (Read:psychotic lady lizard) from eons ago.
A psychotic Cajun trapper who made his first appearance in "Swampy Seconds".
Voiced by: Jim Cummings
He uses a magic purple powder, which he got from the "Spirit of the Swamp," to control the animals of the swamp. This purple power can also stank him at his own will, turning him into a Pythanthigator.
- The Beastmaster: A combination of voodoo powder and magical collars allow him to control multiple animals of all shapes and sizes at once. These measures also work on people.
- The Big Easy
- The Bus Came Back: Returns in a later episode to tell Hannibal and Viceroy what he believes to be the Ninja's true identity in exchange for the latest McFist Pad. This effectively jumpstarts the plot of "Bring me the Head of Reginald Bagel".
- Deep South
- Egomaniac Hunter: Considers himself to be the best trapper in the world.
- Faux Affably Evil: Although he's often polite and doesn't even kill the animals he captures, Catfish has no problems with feeding intruders to his pets or scoffing at Randy's apparent Heroic Sacrifice.
- Foreshadowing: He found one of the Sorcerer's Orbs in his swamp.
- Glowing Eyes of Doom: His eyes glow a foreboding purple whenever he's in an intense emotional state or is in the process of exerting a lot of power.
- Hollywood Voodoo
- Human Resources: Uses living people as furniture or as food for his animal army.
- Mix-and-Match Critters: The form he takes when he uses his gris-gris is reminiscent of several swamp-dwelling creatures.
- One-Winged Angel
- Ragin' Cajun
- Transformation Trinket: His gris-gris. Given its origins and what it actually does, the term is a bit ironic as such talismans are usually made to DETER evil.
An alternate personality to Randy created by the Nomicon and representative of a "no-Nomicon" Randy, he's a flirtatious, irresponsible, and jerky guy who couldn't care less about the lessons he should be learning as the ninja. Though he was originally created by the Nomicon to teach Randy a lesson (trapping Randy in the book and taking over his body), there are signs that he might be capable of independent action and thought, since he prefers life outside the book and uses potentially lethal force on Randy when they confront each other in the outside world.
- Casanova Wannabe: He flirts with practically everyone he sees on a stroll down the corridor, and passes over Theresa (who is already enamoured with him) to hit on Heidi.
- Confusion Fu: Deals with Bash threatening to harm him by...starting up some tunes and breakdancing at him. It works.
- Evil Twin: Of Randy, though he only technically exists inside the Nomicon unless he can hijack a body.
- In the Hood: Randy doesn't usually use the hood on his jacket, but NomiRandy starts using it the instant he escapes the Nomicon.
- Jerk with a Heart of Jerk: In contrast to Randy's Jerk with a Heart of Gold, NomiRandy is rude to just about anyone Randy considers a friend, breaks Theresa's heart, and spends all of his screentime with Randy either attacking him, taunting him, or both.
The Halloweenja Suit
A variation/mutation of the Ninja Suit that is unleashed when Randy uses the Nomicon's reservoir of fear-based magic.
- Animal Motifs: Snakes.
- Clingy Costume: Briefly refuses to be removed by Randy, but after he keeps trying, the suit decides that it's better off without him and promptly spits him out so it can wreak havoc on its own.
- The Corrupter: It's more or less a mindless version of the Sorcerer.
- Dangerous Forbidden Technique: It's the product of using one.
- Know When to Fold 'Em: When Randy, Howard, and Rachel completely neutralize its army, it decides to flee to fight another day than risk being purified.
- Scary Teeth: Has a mouth full of them.
- Weaksauce Weakness: Cuteness. Shared with its corrupted minions, so much so that a kind hug can bring them back to normal. The Nomicon can also remove the corruption out of the suit if you can get it close enough.
An evil counterpart of Julian, created from one of the Sorcerer's Orbs of Power.
- Big Bad: Of season 2.
- Create Your Own Villain: Generally considered this, as he was created when Randy brought an Orb to Julian's birthday party and didn't keep enough of an eye on it, and then he escapes when Randy and Howard ditch Julian in an ice maze, when he's clearly terrified about something even if he didn't specify that it was someone following him via mirrors. Some have argued that Julian stealing the orb brought it on himself, though, and that Randy and Howard couldn't protect him from the second part forever anyway.
- Evil Albino: Contrary to his original appearance in the Season 2 poster and his first episode, where he had green hair and eyes, in Snow-Klahoma! his design changes to white hair, white skin and blue eyes.
- Evil Counterpart: Has all Julian's negative traits taken to truly evil levels.
- Evil Sorcerer: Being made by the Sorcerer's Chaos Pearls, he possesses genuine and quite impressive mystical powers.
- Evil Twin: To Julian.
- From Nobody to Nightmare: Julian was, at most, a secondary character. Now his Evil Counterpart is the major villain for Season 2.
- Light Is Not Good: Decked in all white. And some serious bad news.
- Nice Hat: Same top hat as the real Julian, only white.
- No Name Given: Variation; as Julian never had a last name either and this Julian has no canon extra title, there's technically nothing to differentiate the two by name. There are about five nicknames in use for this version of Julian at the moment (including Mirror Julian, Sorcerer Julian, Evil Julian, and Shadow Julian), but "Ghoulian" seems to be the most popular.
- One-Winged Angel: Able to take the form of a terrifying giant monster, that somewhat resembles a stanked Julian.
- Voluntary Shapeshifting: Randy can't destank him due to this, but he willingly switches himself back to human form later on.
- Palette Swap: Discussed and mocked; after he escapes, Randy asks if Julian's hat has always been white. Howard didn't even notice that Julian wore a hat.
- Soft-Spoken Sadist: Shares his counterpart's soft and calm voice, making him quite chilling when he tries to destroy others.
- White Hair, Black Heart
Voiced by: Cassie Scerbo
Heidi is Howard’s older sister. She’s tall, beautiful, popular and on the cutting edge of pretty much everything. She is the hostess of Norrisville High's #1 me-cast: Heidi@School.
The dorkiest kid in school and a triangle playing band geek. Bucky is teacher’s pet in Science Class, a showoff in Band. The first victim of The Sorcerer's "stanking" that Randy fought as the Ninja.
Bashford "Bash" Johnson
He is McFist’s stepson, Norrisville High quarterback, and notorious jerk, but what he lacks in intelligence he makes up for in fists.
- Accidental Hero: He de-stunk one of his fellow students when he broke said student's musical instrument but he only broke it because he didn't like its shape.
- Book Dumb: Thinks C is a number.note
- The Brute
- The Bully
- Dumb Jock: When he and his group was about to beat up Randy, he said there's that guy and they started to run after him. Sad part is, there was no guy.
- Jerk Jock: Reviled by most of the student body apart from his small group of friends. They do like his parties though.
- Karma Houdini: Of his pranks and bullying, several times. Thankfully, this has been subverted somewhat in more recent episodes.
- Killer Gorilla: His stanked form
- Plagiarism In Fiction: He entered one of Viceroy's inventions as his own at the Science fair.
- Popular Is Dumb
Super short, super smart and super sarcastic. Don’t let her size fool ya; this girl will rip you to shreds. She likes Mexican Death Bears and is friends with Theresa.
Voiced by: Sarah Hyland
A cute, strange girl with a sweet voice and a couple screws loose. She’s a member of N.H.S.'s Baton Twirlin' Team, the Chess Team AND Der Monster Klüb. She likes to twirl batons and is friends with Debbie.
- Cool Loser: Despite being cute and athletic, she's one of the four most unpopular students in school.
- Expy: In some extent, of Sam Manson.
- Dark Secret: It had something to do with tasting something.
- Deadpan Snarker: On occasion, usually when she sees someone doing something stupid.
- Drowning My Sorrows: In Shloomp! There It Is, when "Nomi-Randy" ignores her and flirts with Heidi, she gets upset and drowns her sorrows by drinking milk.
- Grievous Harm with a Body: Lacking her twirling sticks, her stank'd form will begin twirling and hurling people instead.
- Meaningful Name: Her name is a Mondegreen of "There is a flower" and her stank'd form looks similar to a plant.
- Murder the Hypotenuse: After getting stanked in Shloomp! There It Is due to heartbreak (see the Ship Tease example below), her monster self tries to kill Heidi.
- Nerves of Steel: She was able to keep her cool in Night of the Living McFizzles. Compare Howard's dramatics over losing his candy during the zombie invasion to Theresa calmly giving him half her McFizzles so he would stop crying.
- Those Two Girls: With Debbie Kang. They're even on the same chess team.
- Ship Tease: With Randy in Night of the Living McFizzies and Der Monster Klub.
- It is more cemented that she likes Randy in Shloomp! There It Is when the reason she got stanked in that episode is when was heartbroken and crying when "Randy"note ignores her and flirts with Heidi Wienerman. She got destanked when Randy gave her a bouquet of flowers and apologized.
- Signature Scent: In The Ninja Identity Randy describes her as smelling "like rainbows", but it's anyone's guess what that's supposed to mean.
- Yandere: Her stanked form in Shloomp! There It Is. See Murder the Hypotenuse.
- You Gotta Have Purple Hair
A goth student and leader of Der Monster Klüb.
A juggler and member of Der Monster Klüb.
An accordion player and member of Der Monster Klüb as well as the Stache Society.
- The Beast Master: Trains animals to play instruments and play instruments well.
- Dark Secret: He shaves his butt because if he didn't it would look like he was wearing fur underpants.
- Nice Hat: Wears a beret.
A trombone player in the Norrisville High Band.
A flute player in the Norrisville High Band.
Voiced by: Kari Wahlgren
The leader of "Dancing Fish", Morgan is a dancer with a sassy attitude and a smug voice.
A clarinet player in the Norrisville High Band.
- Ascended Extra: A background character who was chosen to be developed, seemingly at random.
- Deadpan Snarker: When suitably miffed.
- Friendly Sniper: Sniped the Halloweenja off of Randy with a bubble gun during "Let the Wonk One In".
- My Name Is Not Durwood: Randy gets her name wrong at first. Then gets it wrong again after she tells it to him.
- Nerves of Steel: Gradually grows less scared of Flute Girl as she tries to murder her and all but leapt at the chance to help Randy and Howard deal with the Halloweenja.
- Plucky Girl: Especially during Halloween.
- Squee: She tends to do this A LOT.
A foreign exchange student from France. Enjoys watching and filming black and white artsy films and is quite skilled at parkour.
Levander HartThe Pete Best
of 30 Seconds to Math, originally brought on for his access to fantastic sound equipment, but subsequently fired for his abysmal musical ability. He has since become an incredibly famous rock star, having apparently honed his guitar skills since he was kicked out of Randy and Howard's band. This is actually due to the Sorcerer using Blue Stank to magically empower him so he could grow in popularity and eventually return to Norrisville to create mass chaos in full-house concert.
- Adorkable:in his normal attire
- Cool Shades
- Fake Brit: In-Universe; apparently "it happens when you get famous".
- Foreshadowing: Howard says that Levander wouldn't have become a rock star if it weren't for him and Randy. He's right, but not just because they booted him out of 30 Seconds to Math since he and Randy helping the First Ninja defeat the Sorcerer in the 13th Century made it possible for the villain to bewitch Levander in the first place.
- Instrument of Murder
- Musical Assassin
- Shock and Awe: Becomes a lightning monster when stanked
- The Pete Best: In-Universe, though in his case he went on to be better known than the band that kicked him out.
Principal Irving Slimovitz
Voiced by: Jim Rash
A grown-up dork who LOVES being Principal of Norrisville High School and approaches his job with extreme enthusiasm.
Mrs. Marlene Driscoll
Voiced by: Megan Mullally
A super-cheery Science teacher who talks to the class skeleton and calls it “Mr. Driscoll”! She’s sweet and out of her mind.
Mr. Jerry Driscoll
Voiced by: Andy Dick
Mrs. Driscoll's husband who was once rivals with Viceroy during college. In the present, he is dead and his skeletal remains are dragged along by his wife.
Despite his joyful voice, this British gym teacher loves making up dangerous games for the students to play.
Ms. Mary Ann Zingwald a.k.a. Tawny
A teacher in the school. In the prom of '85, she was "stood-up" by her date Dickie.
S. Ward Smith
Voiced by: John Witherspoon
The Metal Shop Teacher. While blind He is also the Black Smith of the Ninja.
Voiced by: Richard Kind
Howard and Heidi's father who, due to a corporate merger, works for McFist Industries.
- Epic Fail: His killer robot, which can barely stand and ends up destroying itself without Randy ever having to attack it.
- Lovable Traitor: Mort's a pretty nice guy, even if he did try to help McFist kill the Ninja, the beloved town hero that's been protecting Norrisville for generations, just so he could get a promotion.
- Strange Minds Think Alike: He shares Howard's belief that an inflatable pool filled with their own sweat is an acceptable substitute for a legitimate one.
- Ugly Guy, Hot Wife: Inverted.
- Well-Intentioned Extremist: He only stayed on to help McFist destroy the Ninja to better provide for his family.
- Yes-Man: In contrast to his rather strong-willed children, he's rather spineless.
Marci Johnson McFist
Voiced by: April Stewart
Hannibal's wife and Bash's mom. She knows about her husband's quest to destroy the ninja.
Voiced by: Steve Zahn
Hannibal's older brother. The actual heir to McFist Industries.
The First Ninja
Voiced by: Joel McHale
The first of the Norrisville Ninjas and the last of the Norisu Nine.
- Arch-Enemy: Until their final battle, he was this to the Sorcerer throughout most of his life. On his part, the Sorcerer greatly dislikes him for both banishing the Sorceress to the Land of Shadows and imprisoning him underground.
- Badass: Battled the Sorcerer for years throughout the globe.
- Big Damn Heroes: Prevents the Sorcerer from killing Randy and Howard and finally gets to toss him into the pit.
- Brought Down to Normal: After his time as the Ninja had ended, he put all of his knowledge and experience gained from his tenure into the Ninjanomicon, expelling them from his mind.
- Ice-Cream Koan: Half of his lines are made up of these in contrast to the genuine riddles and lessons the Ninjanomicon provides.
- Kill It with Fire: Has a stronger variation of the Tengu Fire Ball that takes the form of a roaring dragon. It's powerful enough to disable the Sorcerer for a modest amount of time.
- Last of His Kind: His eight "brothers" were all killed by the Sorcerer.
- Martial Arts Headband: As an added bonus, he can use it as a weapon in a similar manner to how Randy uses his scarf.
- Other Me Annoys Me: Randy earns his ire through a combination of ruining his ambush on the Sorcerer and his inability to shut up. Becomes subverted when Randy re-inspires him.
- 10-Minute Retirement: Leaves Norrisville to its fate after the Sorcerer obtains the Tengu Stone. Randy and Howard's efforts to stop the villain regardless inspire him to come back and help.