Characters / Fanboy and Chum Chum

    open/close all folders 

Main cast

    Fanboy and Chum Chum
Fanboy on the left, Chum Chum on the right.
Voiced by: David Hornsby (Fanboy), Nika Futterman (Chum Chum)

The eponymous, hyperactive duo, who live by the rule of no work and all play. They spend most of their free time hanging out in the local convenience store or having all kinds of wacky adventures in their house, which lacks any kind of adult resident. They are both comic book nerds (although much less so than Oz) and get ecstatic about the tiniest things.

They are the only characters to appear in all of the episodes.

Tropes shared by both:

  • Asian Buck Teeth: Both have these, as per tradition with most animated Nickelodeon protagonists.
  • Characterization Marches On: They sorta get kookier whenever Kyle is around.
  • Clothing Reflects Personality: Chum Chum wears yellow and orange, reflecting he's the nicest and most innocent, while Fanboy wears green and purple, showing he's also funny but can be more serious than Chum Chum.
  • Cloud Cuckoolanders
  • Comically Missing the Point: A lot.
  • Cool Mask: Fanboy has one, although he lacks any real powers.
  • Drink Order: Frosty Freezy Freeze, of course.
  • Expressive Mask: In this case, their masks are the same color as their eyelids.
  • Fat and Skinny: Chum Chum and Fanboy respectively.
  • Fanboys: So much that they wear costumes that make them look like super heroes for all their life. They actually are superheroes as revealed in "Brain Freeze". Fanboy even names himself after this trope.
  • Fartillery: Chum Chum's underwear "explodes" on Yo in "Prank Master".
  • Feud Episode: The episodes "Pick a Nose", "Cold War", "No Toy Story", "Lice Lice Baby" and "Heroes vs. Villains" show them against each other.
  • Gasshole: Both of them are this, but it's more prominent with Fanboy.
  • Heterosexual Life-Partners: To the point where they are intent on becoming "immortal companions" in "Fangboy". In "Separation Anxiety", their friendship is so strong that if they are apart, it causes a rip in the space-time continuum.
  • Keet
  • Limited Wardrobe: The guiltiest of the cast. They never take off their superhero costumes, even for bathing. This is because they have secret identities and taking them off would reveal them.
  • Meaningful Name: "Fanboy", since he's a fan of everything and "Chum Chum" since "Chum" is a nickname for friend, which he is with Fanboy.
  • Morality Pet: Chum Chum serves as one to Fanboy, and they both are this to Kyle.
  • No Indoor Voice: From "Total Recall":
    Chum Chum: Fanboy only has an outside voice. He was born that way.
  • No Name Given / Only Known by Their Nickname: Both of them, though in "Separation Anxiety" Fanboy reveals his true name, Tobias.
    • Though that's just speculation, because the name he signs the letter with is "Lance Corporal Tobias Cranapple Fanboy III" as a reference to dramatic western movies. Whether any of the names used are actually his real name isn't very likely.
  • No Sense of Personal Space: Both of them, but Fanboy is more prone to this.
  • Parental Abandonment: Their parents are never seen nor mentioned.
  • Ping-Pong Na´vetÚ
  • Reality Warpers
  • Red Oni, Blue Oni: Both are the red to Kyle's blue. In episodes where it's just them, they tend to swap places with Fanboy being responsible (blue) and thinking up some sort of kooky plan (red) while Chum Chum is an excitable Cheerful Child (red) who tends to be the voice of reason when his friend flies off the handle (blue).
  • Secret Identity: Both are revealed to have these, but it's unknown what they are.
  • Superheroes Wear Capes
  • Underwear of Power: They wear actual underwear outside their suits. They're upset without them, as they hold their powers.

Just Fanboy:

Just Chum Chum:

  • Captain Obvious: In "Fangboy", he easily recognizes Fanboy's "vampire" bite as just a bite from a mosquito, and in "The Incredible Shrinking Fanboy", he points out the sunflower grew overnight when Fanboy believes he's shrinking. Both times, he's dragged in to believe him.
  • Cheerful Child
  • Deuteragonist
  • Expy: He shares Patrick Star's personality full-on.
  • Silence Is Golden: Becomes this throughout most of "Saving Private Chum Chum" after swallowing a ball, the only sound coming out is squeaking.
  • Artistic License - Linguistics:
    "Stealers are bad people! I don't wanna be a bad people!"
  • Your Size May Vary: He is much smaller than other characters, and also rounder with no neck.

Supporting cast

    Kyle the Conjurer (aka, Kyle Bloodworth-Thomason)
Voiced by: Jamie Kennedy

Kyle is a snarky, grumpy kid who, depending on the episode, takes the role of either the antagonist or a tritagonist for Fanboy and Chum Chum. He actually possesses wizardly powers, although no one believes him.
  • Absentee Actor: He does not appear in the following episodes:
    • S1: "Pick A Nose" (photo only), "Dollar Day", "Trading Day" (was originally appearing but removed), "The Hard Sell", "Digital Pet Cemetery", "Berry Sick", "Monster in the Mist", "Brain Drain", "Fanboyfriend", "Norse-ing Around" (name seen), "Marsha, Marsha, Marsha", "Secret Shopper", "Total Recall", "The Tell-Tale Toy", "The Incredible Shrinking Fanboy", "Strings Attached", "Stan Arctica", "Jingle Fever", "Eyes on the Prize"
    • S2: ""I'm Man-Arctica!", "No Toy Story", "Game Boy", "Back From The Future", "Boog Zapper", "Risky Brizness", "Frosty Mart Dream Vacation", "Igloo of Irritation", "Hypnot O Zed", "Robo-mance", "Rattleskunkupine!", "Lucky Chums", "Dental Illness", "Champ of Chomp", "Get You Next Time", "Two Tickets To Paladise", "The Cold Rush", "Normal Day", "Freezy Freaks", "Super Chums", "Attack of the Clones"
  • Ambiguously Gay: When he and Fanboy are trying to decide which board game to play, his first pick is "Mr. Unicorn's Teddy Bear Dress Up Fashion Show".
    • In the "Fanboy and Chum Chum Bible", which is a compilation of ideas Eric Robles wrote down before the show started, Kyle was originally supposed to have a crush on Yo, and although he has never showed any interest in her in the actual series (nor have the two spoken to each other), this could make him Ambiguously Bi.
    • When he states that the town isn't big enough for two wizards in There Will Be Shrieks, look at his hand movements.
    • In "Fanboy A'hoy!", we get this:
    Kyle: And will there be decorative soaps with fancy perfumes?! [Pause] Excuse me for taking pride in my personal hygiene.
  • Aesop Amnesia: Despite admitting his friendship to the titular duo in "Sigmund the Sorcerer", he forgets it episodes later.
  • Alliterative Name: Kinda.
  • Anime Hair: Has a shaggy hairstyle that's quite big and spiky, due to his head shape.
  • Anti-Hero: He serves as one due to being sometimes good and other times antagonistic.
  • Badass Cape: Wears a black one, which symbolizes his mischievous personality.
  • Blank White Eyes: Gets these while summoning the Balhok in "There Will Be Shrieks".
  • Braces of Orthodontic Overkill: Kyle has fairly normal braces, but they're extremely noticeable due to his large teeth. In "Night Morning", he wears enormous headgear complete with its own train set.
  • Breakout Character: His popularity with fans may have lead him to get a bigger role in Season 2.
  • British Teeth
  • Clothing Reflects Personality: Wears red and black, which are the colors of anger and darkness respectively.
  • Cloud Cuckoolanders Minder: He serves as one.
  • Chick Magnet: In the episode "Face-Eating Aliens From Planet X" shows that he is liked by some of the girls; Marsha likes his braces, Lupe likes his accent, and Francine loves it when he makes the sky "dark and evilly".
  • Child Mage
  • Curtains Match the Window: Both his hair and outfit (minus the blue and yellow) colors seem to match with each other.
  • Deadpan Snarker: He gives these a lot, mostly around mortals.
  • Dynamic Character: Probably the only one who got any Character Development.
  • Ethereal Choir: This sometimes accompanies his scenes when he begins to cast a powerful spell or is being antagonistic.
  • Evil Counterpart: He is one to Fanboy and Chum Chum. While they wear bright colored clothes, his clothing is darker. He is actually serious and refuses to be funny, and unlike them, he despises anything.
  • Evil Laugh: He gets one in a few episodes.
  • Evil Sounds Deep: Though not a villain, has a deep, masculine voice.
    • There are quite a few episodes where his voice tends to sink into a low, demonic tone - quite frightening for viewers.
  • Expy:
    • Of Harry Potter (Sigmund appears to be his Malfoy), although his attitude is extremely different.
    • He also seems to have the same personality as Squidward Tentacles.
  • Fiery Redhead
  • Green-Eyed Monster: He becomes this in "The Book Report of the Dead" and "Speed Eraser", both thanks to Fanboy.
  • Grumpy Bear / Sour Supporter: Depending on whether he's siding with Fanboy and Chum Chum or antagonizing them.
  • Inept Mage
  • Inferiority Superiority Complex: There are hints of this in "Sigmund the Sorcerer".
  • Irony:
    • The episode "Cold War" reveals he never actually had anyone want to play with him before; yet he himself does not want to play with Fanboy and Chum Chum because they add random rules to their games.
    • In "Speed Eraser", after his revenge on Fanboy with the magic eraser doesn't go as planned, he literally attaches it to him and lists off what will be erased upon doing so. Yet seconds later, it's his own body that gets erased, when Fanboy tries to hold onto him.
  • It's All About Me: He tends to be full of himself a lot. When he was the eraser-er, he even called himself "King of the Chalkboard".
  • Laser-Guided Karma: Jealous that Fanboy steals his title as board eraser-er, he gives him an eraser that literally erases everything. When he literally attaches it to Fanboy near the end, Kyle's own body gets erased as a result.
  • Leitmotif: Usually whenever he appears, the background music consists of horns and harpsichords, reflecting his wizard-y self. When his bad side is shown though, it's replaced by a rather ominous Ethereal Choir.
  • Mage in Manhattan: Well, more like "Mage in the Suburbs" but since he's a transfer student who hails from a Wizarding School, he counts.
  • Magic Misfire: Quite a bit, especially when Fanboy and Chum Chum get a hold of his magic wand.
  • The Mean Brit
  • Meaningful Name: The name "Kyle" means "narrow".
  • New Transfer Student: Well, technically, he was expelled from his Wizarding School, but same thing.
  • Oddly Visible Eyebrows: His brows can be over his bangs at times; other times they are under them.
  • Only Sane Man: When the plot demands it. Other times, he's just as quirky as the rest of the characters.
  • "The Reason You Suck" Speech: Delivers two of them, one in "Chicken Pox" and another in "Cold War":
    Kyle: Something's gone wrong! This is all your fault, you made me lay a bad egg! I got so mad, I probably hard-boiled it! And now, I'm going to be a chicken for the rest of my life!

    Kyle:'re cheaters! Charlatans! With your...made-up rules and airborne livestock?!! ''I call shenanigans!!
  • Red Eyes, Take Warning: He briefly has these in "Tooth or Scare". Has them again in "Heroes vs. Villains" when making his entrance.
  • Red Oni, Blue Oni: The blue to Fanboy and Chum Chum's red.
  • Series Goal: To return to the Milkweed Academy for Wizards, though this doesn't manifest until Season 2.
  • Slasher Smile: He sometimes flashes these when he gets an idea or plans revenge.
  • Surrounded by Idiots
  • Teacher's Pet: In "The Book Report of the Dead", Mr. Mufflin even refers Kyle as "suck-up".
  • Temporarily a Villain: In "Separation Anxiety", "The Winners" and "Speed Eraser", Kyle is a main antagonist, the third episode being the most extreme example yet.
  • Token Evil Teammate
  • Tome of Eldritch Lore: He's casually used the Necronomicon to get out of jams.
  • Took a Level in Jerkass: In "Speed Eraser", an erasing dance routine by Fanboy causes Mr. Mufflin to give Kyle's job as the board eraser-er to him. Out of jealousy, he spends much of the episode planning revenge with an eraser that erases anything literally, but it only causes Fanboy to have more fun, so this leads him to literally attach the eraser to Fanboy, much to his horror and shock. He instantly loses his jealousy though, when Fanboy accidentally erases his entire body.
  • Tsundere: Type A. He's always rejecting Fanboy and Chum Chum, but it has been hinted several times that he craves their friendship. Especially in the Sigmund the sorcerer episode.
  • Vitriolic Best Buds: Fanboy and Chum Chum believe they are best friends with Kyle, even though he makes it clear that he wants nothing to do with them. Although, in a show where you wouldn't expect there to be any Character Development, Kyle has actually started liking Fanboy and Chum Chum, and he even admits they're his friends in "Sigmund the Sorcerer."
  • Vocal Dissonance: His voice is naturally lower than most other preteen boys in real life.
  • Younger Than They Look: He's a preteen, which is around 10-12 years of age, but he looks like he's from his mid-teenage years. It comes through in his voice as well.

Voiced by: Dyana Liu

An incredibly energetic girl who loves her digital pet Yamaguchi. She is one of Fanboy and Chum Chum's schoolmates. Being vulnerable to all things cute and tiny, she becomes extremely obsessive whenever Chum Chum is involved, often to the point of insanity.
  • And Call Him "George"!: Yo is obsessed with taking Chum Chum home, dressing him up in a sailor outfit, and putting him on her toy shelf.
  • Artificial Limbs: She has a couple of Doc Ock-like robotic arms in her backpack.
  • Asian Airhead: Type 2. Though it's not like everyone else is exactly a genius.
  • Character Development: Her crush on Chum Chum is abandoned at the start of the second season.
  • Companion Cube: Her best friend is a pine cone named Ingrid, and she treats her digital pet, Scampers, like it's a real cat.
  • Cute Bruiser: In "Prank Master".
    • "In Yo face!"
  • Cuteness Proximity: She tries uses her girlish charm to her advantage.
    "In case you haven't noticed, I'm cute!"
  • Fangirl: With her maniacal obsession with digital pets, cute things, and Chum Chum.
  • Friend Versus Lover: In a way, she sees Fanboy as the greatest hurdle between her and Chum Chum.
  • Genki Girl: So genki, she can appear in two places at once.
  • Girls Love Stuffed Animals: Several are seen in her room, along with a few small children.
  • Girlish Pigtales: Her usual hairstyle.
  • I'm Taking Chum Chum Home With Me!: She does this in one episode. Inverted in another where she wants to live with him.
  • Invisible Parents: She mentions her father in "Brain Drain" but he has yet to make an appearance on the show.
  • Meaningful Name: Her name means "Positive". Coincidentally, it's Japanese, like she is.
  • Pragmatic Villainy: She does this in "Brain Drain". She finds Fanboy's brain under the couch and hides it in her backpack, then decides to move into the Fanlair and trick Chum Chum into living with her by volunteering to help out. When Fanboy starts to remember, she rings out the sponge in his head used as his brain's substitue, causing a memory loss and setting up the final step to taking Chum Chum home with her.
  • Reality Warper
  • Stalker Shrine: She has one for Chum Chum with candles and a burning cauldron.
  • Stalker With a Crush: Big time. In "Trading Day", she even trapped Chum Chum in a giant virtual pet case.
  • Stalking Is Funny If It Is Female After Male
  • Teleporters and Transporters: She has a cellphone in "Brain Drain" that allows her to teleport anywhere.
  • Tsundere: There are signs of her being a type B. She becomes unpleasant sometimes, particularly when dealing with Fanboy.
  • Yandere: Although her craziness varies Depending on the Writer. In some episodes she can't keep her hands off Chum Chum, and other times, she acts like she doesn't notice him.

    Ozwald "The Oz" Harmounian
Voiced by: Josh Duhamel

A nerd who lives and runs a comic book shop with his mother. Considered by Fanboy and Chum Chum to be the smartest human being to have ever existed, due to his excessive knowledge of comics.

    Boogregard "Boog" Shlizetti
Voiced by: Jeff Bennett

A local bully who works in the Frosty Mart convenience store alongside Lenny (although using the word "work" is probably giving him too much credit). He appears to treasure his possessions far more than the people around him and enjoys picking on kids much younger than him.

    Leonard "Lenny" Flynn Boyle
Voiced by: Wyatt Cenac

Like Boog, he works in the local Frosty Mart. Lenny appears to be permanently stressed out/spiritless and absolutely loathes Fanboy and Chum Chum's hijinks. Basically a standard Butt-Monkey of the show.

    Hank Mufflin
Voiced by: Jeff Bennett

Fanboy and Chum Chum's class' Apathetic Teacher. Speaks with a ridiculously monotone, dull voice and is exceedingly hateful of his job. Sometimes refers to Fanboy as "Purple Kid" and to Chum Chum as "Talking Raccoon".
  • Apathetic Teacher: He's said more than once that it's only twelve years until his retirement. In the first episode, he states outright that if Fanboy and Chum Chum get held back again, he's considering early retirement.
  • Character Development: He somehow drops his apathetic persona in later episodes.
  • Everything's Deader with Zombies: He becomes a zombie in "The Book Report of the Dead" when Fanboy says a spell from Kyle's Necronomicon.
  • Eye Beams: Mr. Mufflin gets laser eye surgery in "Saving Private Chum Chum", allowing him to literally shoot lasers out of his eyes.
  • Literal-Minded: When he says he got laser eye surgery in "Saving Private Chum Chum", he really got laser eyes.

Other characters

Voiced by: Candi Milo

Fanboy and Chum Chum's schoolmate. Appears to be friends with Yo.

    Janitor Russ Poopatine
Voiced by: Steve Tompkins

The janitor at Fanboy and Chum Chum's school.

    Oz's Mom
Voiced by: Estelle Harris

She's... well... Oz's mom. Runs a comic book shop alongside Oz.

    Scrivener Elf
Voiced by: Jeff Bennett

An elf created by Kyle who is often seen making notes for him.

    The Dollarnator
Voiced by: Jeff Bennett

An artificially intelligent machine Fanboy has built in the future, the Dollarnator was sent back to the past to help the boys when they were in trouble. He has a lot of different skills and abilities that often prove to be unexpectedly helpful for the titular duo.

    Sigmund the Sorcerer
Voiced by: Jeff Bennett

He and Kyle used to attend the same school for wizards, which is how they became rivals. Sigmund is clearly more acknowledged and advanced in wizardry than Kyle, much to Kyle's anguish.

Voiced by: Jeff Bennett

A superhero and the titular duo's idol.

    Thorvald the Red 

    Agent Johnson 
Voiced by: Jeff Bennett

Voiced by: Candi Milo