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"Uh, in case you haven't noticed: I'm cute!"
-Yo[source]

Yo is a supporting character in the Fanboy and Chum Chum series. She is a classmate of the duo and is part of their friends' group.

Background

We'll do it with cuteness

Yo is a girl of a Japanese descent with a crazy obsession towards Chum Chum, wanting to keep him like a toy much to his best friend's annoyance. Despite her tense relationship with Fanboy, who she often argues and fights with, she does truly care about him and supports many of his ideas. Even though she can be somewhat bratty, she's really just a kind-hearted girl: sweet, fun, and prepped for adventure. Only her father and female cousin have been briefly mentioned. Yo attends Galaxy Hills Elementary School in Hank Mufflin's 5th grade class.

Personality

I can move in here tonight!

Yo is sweet and gentle (if not a bit intimidating). She is a collector of all things adorable. She owns a hoard of Yamaguchi digital pets, one of which is named Scampers.

As a collector of all things adorable, she routinely tries to kidnap Chum Chum from Fanboy, often with the plan to dress him, brush his hair, and shelve him alongside her other toys.

Yo is similar to a stereotypical "fangirl" in the way she acts, especially toward Chum Chum. She has pictures of him in her mini closet; and has a strong obsession with Chum Chum to the point where she declares she wants to take him home with her.

Yo isn’t trying to be mean or malicious to Chum Chum as she thinks she’s protecting him and making him happy. In "Trading Day" she puts him in a glass dome and designs the dome with things he loves such as sunflowers, daisies, a sun, etc. In "Prank Master" she thinks Fanboy and Boog were bullying Chum Chum and tries to take him back to her house and dress him up. In "The Incredible Shrinking Fanboy" she tries to make him happy by trying to play with him and sing a song to him. However she unintentionally makes him feel uncomfortable by getting in his space and showing too much affection.

Even though Yo can be a bit clingy, she still has a heart and can genuinely be kind. In "Trading Day" she decides to trade Chum Chum back when Fanboy is done playing with her Mecha-Tech and later on allows Fanboy to be with Chum Chum again in the dome. In "Present Not Accounted For" she buys Chum Chum rocket boots to make him happy.

Even though she loves cute things she seems to dislike kissing as when she saw Fanboy kiss Chum Chum.

Yo is a talented prankster, dominating Fanboy in multiple forms of revenge when the annual Prank Day comes around.

Yo is naturally cheerful but becomes crazed and obsessive when she interacts with Chum Chum. She is a master manipulator, using her sweet demeanor to collect large amounts of money from lemonade stand costumers, trick Fanboy into handing over Chum Chum for an awesome Mecha Tech gadget, and stop Man-Arctica from freezing the citizens of Galaxy Hills (unsuccessfully).

She can become quite assertive when someone does something she doesn’t like.

In later episodes, she gradually becomes calmer and more cheerful. Whereas in the first season she tended to behave in a very aggressive manner towards Fanboy, hurting him severely on multiple occasions in pranks and fistfights. She becomes a lot nicer in the last season, showing compassion towards Fanboy, offering him advice, and asking him for help. She even grows close to Chris Chuggy in Robo-Mance and accepts his hand and valentine. She also loses her crazy obsession with Chum Chum and treats him more respectfully.

Physical Appearance

Yo promotional image

General

Yo has light-pinkish-apricot skin. She has a pill-shaped body. She has medium-length jet-black hair with even Hime bangs that she ties into pigtails using triangular shaped raspberry pink colored bows. She has a large rectangular head with a round top, round large eyes with three eyelashes on them, a pinkish-red nose and thin lips. She has skinny limbs. She has small pointed, rectangular round ears that stick out horizontally from the sides of her head. She has a flattened face, short neck, and upward-slanting eyelids with skin folds. She’s around the same size as Fanboy though slightly an inch shorter.

Attire

She wears a pastel yellow short-sleeved t-shirt with a raspberry pink collar on top of the shirt and a smiley-face on the chest center, a raspberry pink and green plaid skirt, yellow, pink high-top shoes and a yellow-green frog backpack. She is sometimes seen without the backpack on some occasions. Underneath her skirt she wears raspberry pink panties.

Pirate

As a pirate, Yo wears a red bandanna with yellow polka dots on it along with a belt with a square silver buckle. She also wears gold earrings

Relationships

Fanboy

Main article: Yo-Fanboy Relationship
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Yo shares a rather tense friendship with Fanboy due to her obsession with Chum Chum and attempts to add him to her toy collection. Fanboy will never admit it, but he is a bit intimidated by her. On rare occasions when they must team up for a common goal, like in Saving Private Chum Chum, and are shown to work well together. On even rarer occasions, like in Slime Day, Yo offers him help. In turn, Fanboy happily agrees to cat sit her Yamaguchi digital pet, Scampers in Digital Pet Cemetery.

Chum Chum

Main article: Yo-Chum Chum Relationship
Hugging chum chum

Yo bears a strong, crazy obsession towards Chum Chum. When the opportunity opens to her, she often tries to steal Chum Chum, but this interaction always engages Fanboy to reprimand her and save Chum Chum. Though Chum Chum is a bit intimidated by her and gets annoyed with her constant attempts to steal him, he still holds no resentment towards her. He even considers Yo a friend. Chum Chum and Yo's friendship isn't displayed too much on-screen due to her un-ending obsession with him.

Kyle

Main article: Kyle-Yo Relationship
Kyle "Get off!" s2e8b

They don’t really have any interactions. It is shown Kyle finds her overwhelming. The closest they’ve interacted is when Yo square dances with him and unintentionally overwhelms him in "Kids in the Hall". Despite this they often work together or hang out with each other. In "Saving Private Chum Chum" they help Fanboy save Chum Chum. In "Man-Arctica the Ride" they go to the carnival together. In "Fan vs. Wild" Yo gets Oz, Lupe, Chuggy, Duke and Cher to get Fanboy, Chum Chum and Kyle off the Frosty Mart roof.

Lupe

Main article: Yo-Lupe Relationship
We have something for you

It is shown that Yo and Lupe are best friends and get along well. Lupe can stand ahead of Yo and do anything for her if she's stuck, and even present things for her. She even thinks of Yo as a secret sister.

Scampers

She loves and nurtures Scampers a lot. She gets upset if something horrible happens to him such as him becoming a zombie or being taken away.

Chris Chuggy

Main article: Yo-Chris Relationship
Yo and Chris Chuggy valentine 3

In earlier episodes of the series, Yo just saw him as friend. However in the Season 2 episode Robo-mance, she becomes in a romantic relationship with him as she accepts his hand and valentine.

Michael

Main article: Yo-Michael Relationship
Yo whispering to Michael s1e22a

She and Michael are shown to friendly towards each other. In "Man-Arctica the Ride" they go to the carnival together.

Duke

Main article: Yo-Duke Relationship
Kids enjoy sweets

She and Duke are shown to friendly towards each other. In "Saving Private Chum Chum" they help Fanboy save Chum Chum.

Nancy Pancy

Main article: Yo-Nancy Relationship
Park

They’re shown to be close friends as they are often hanging out and talking to each other in most episodes.

Cher

Main article: Yo-Cher Relationship
Cher, Yo and Chuggy are surprised s2e21a

She and Cher are shown to friendly towards each other. They both are positive and loyal towards their friends and are very agile.

Cheech

Main article: Yo-Cheech Relationship
Dancing with precious

She and Cheech are shown to friendly towards each other.

Francine

Main article: Yo-Francine Relationship
Lupe, Francine, Yo and Marsha sitting together

She and Francine are shown to friendly towards each other. Despite their different types of energy they still care for each other.

Fankylechum

Main article: Yo-Fankylechum Relationship
Kids run out of the school

She and Fankylechum are shown to friendly towards each other.

Benjamin

Main article: Yo-Benjamin Relationship
F&C falling into the crowd

She and Benjamin are shown to friendly towards each other. Despite not having too many interactions they seem to be fond of being together.

Joey

Main article: Yo-Joey Relationship
You just stood there and twitched slightly

Yo and Joey are friends. Although Yo once kidnapped Joey for the most part are on good terms with each other.

Murphy

Main article: Yo-Murphy Relationship
Gang with their eyes shut

Yo and Murphy are friends. Although Yo once kidnapped Murphy for the most part are on good terms with each other.

Molly

Main article: Yo-Molly Relationship
Audience cheers for Fanboy

Yo and Molly are friends. Although Molly can occasionally behave badly for the most part are on good terms with each other.

Patton

Main article: Yo-Patton Relationship
Kids happily going into Oz Comix s2e11b

Yo and Patton are friends. Although Yo once kidnapped Patton for the most part are on good terms with each other.

Shelby

Main article: Yo-Shelby Relationship
Crowd realizing that's not Man-Arctica s2e17

Yo and Shelby are friends despite not having too many interactions.

Oz

Main article: Yo-Oz Relationship
Happy that they got them on the line

She seems to like him or at least tolerate him due standing next to him in "Sigmund the Sorcerer" and "A Very Brrr-y Icemas". She also comes to his store in "HypnotOZed" and is happy when she thinks he’s finally selling his toys.

Hank

Main article: Yo-Hank Relationship
NO TOYS IN CLASS!

Like the other students, Hank seems to be quite mean to Yo such as yelling at her for playing with Scampers in class in "Saving Private Chum Chum".

Boog

Main article: Yo-Boog Relationship
Yo pointing at Boog s1e13a

Yo, like the other children, does not appear to like Boog because of inflicting bops on others. In "A Bopwork Orange" she gets upset about how Boog tricked her along with Fanboy, Chum Chum and Chris about "free lollipops". In "Prank Master" she and Boog try to prank each other.

Lenny

Main article: Yo-Lenny Relationship
Lenny frustrated at the kids s1e26a

They don’t really have any interactions. The closest they’ve interacted is when Yo buys a Frosty Freeze Freeze from Lenny in "The Great Bicycle Mystery". However, in "A Bopwork Orange" Lenny gets annoyed at Yo for waking him up and refers to her along with her friends as "crazy kids".

Role In Series

"Wizboy"

She first appears in the classroom doing her work.

"Pick a Nose"

She is one of the students who was entertained by Chum Chum’s magic tricks with Fanboy’s nose. She plays ping pong with Chum Chum. She later appears in the class photo being grossed out by how bad Fanboy and Chum Chum smell.

"The Janitor Strikes Back"

She is seen at the beginning of the episode being startled by the gum alarm. She and the rest students laughed at Russ Poopatine’s last name.

"Trading Day"

Yo with her toy

Yo with her toy

Her first biggest role. She trades her Mechatech for Chum Chum.

"Digital Pet Cemetery"

Yo leaves her digital cat

Yo leaves her digital cat

Her second biggest role. Yo lets Fanboy and Chum Chum take care of her Yamagutchi digital cat Scampers.

"Fanboy Stinks"

Like the rest of her friends, she gets grossed out by how bad Fanboy smells. She later appears at the bake sale.

"I, Fanbot"

She and rest of her classmates (except Kyle) believed Fanboy as a robot became smarter despite not being able to answer 2 plus 2. When her class failed the test, she and the rest of the students (except Chum Chum) tried to beat up Fanboy.

"Berry Sick"

She appears as a zombie trying to attack Lenny then later Fanboy and Chum Chum.

"Chimp Chomp Chumps"

She and the rest of the class laugh at Boog after he says embarrassing things about himself.

"Precious Pig"

She along with her classmates get mad at Fanboy and shun him after thinking he tried to commit animal abuse by trying to bash Precious on the head.

"Fangboy"

She is seen with Nancy playing on the swings at the park.

"Monster in the Mist"

She is seen walking on the sidewalk.

"Brain Drain"

Her third biggest role. She tries to take Chum Chum after Fanboy loses his brain.

"Fanboyfriend"

She is seen in the cafeteria.

"Moppy Dearest"

She attends the school dance.

"Norse-ing Around"

Yo shooting spitballs

Yo shooting spitballs

She appears with the other classmates trying to get the gold stars.

"The Janitor's Apprentice"

She appears in the cafeteria getting startled by the jumpstart.

"Excuse Me"

She appears watching Mr. Mufflin fighting with a bear.

"Night Morning"

Yo can't wait

Yo can't wait

She is one of the few classmates invited to come experience Night Morning. She later gets bored and leaves by taking her money back she used to experience Night Morning.

"Marsha, Marsha, Marsha"

She appears in a flashback taking a test with the rest of her class.

"Prank Master"

Yo pranking

Yo pranking

Her fourth and her biggest role yet. She goes on a pranking spree.

"Little Glop of Horrors"

She like the rest of her classmates disliked the glop Lunch Lady Cram made. She is one of the classmates to grow into a giant at the end of the episode.

"Total Recall"

She is seen at the school playground playing on the slide along with Kyle.

"Refill Madness"

She can be seen in Boog’s car, along with her classmates, the kindergarteners, some adults and some animals.

"The Frosty Bus"

She and the rest of her friends all get excited about the Frosty Bus.

"Fanboy in the Plastic Bubble"

She is seen eating lunch with Lupe, Cher and Kyle and watch Fanboy and Chum Chum playing in the plastic bubble.

"Sigmund the Sorcerer"

She like the rest of her friends (except Kyle) all get excited about seeing Sigmund.

"Fanboy A'Hoy!"

Yo as a pirate

Yo as a pirate

She goes on a pirate adventure with her friends to find the treasure chest. She like the rest of her friends got angry at Fanboy and Chum Chum for searching for a treasure chest with gross things inside.

"Fan vs. Wild"

She appears with her friends trying to help Fanboy, Chum Chum and Kyle get down from the Frosty Mart roof.

"The Incredible Shrinking Fanboy"

Her fifth biggest role. She brings Chum Chum and Fanboy to her home.

"Separation Anxiety"

She appears in the classroom doing her own things. She also watches Fanboy and Chum Chum’s attempts to get back together. She along with the rest of her classmates (except Fanboy, Chum Chum and Kyle) all get sucked in by the wormhole.

"Strings Attached"

She can be seen in two of Fanboy’s flashbacks. She is first seen at Lupe’s birthday party along with Fanboy, Nancy and Cher. She is later seen solving a math equation.

"The Book Report of the Dead"

She and the rest of her friends help Mr. Mufflin get his world globe out of Fanboy’s mouth.

"Man-Arctica the Ride"

She along with Fanboy, Chum Chum, Kyle, Lupe, Chris, Michael and Mr. Mufflin ride on the rollercoaster.

"Fan-bidextrous"

She and rest of her classmates all found Fanboy funny.

"Saving Private Chum Chum"

Yo is worried for Chum Chum

Yo is worried for Chum Chum

She and rest of her friends try to take advantage of Mr. Mufflin’s poor eyesight and play with toys in class. She later helps Fanboy out to rescue Chum Chum from Mr. Muffin.

"Battle of the Stands"

Her sixth biggest role. She and Lupe use their cuteness to earn money for their lemonade stand.

"Lord of the Rings"

She can be seen with Lupe, Nancy, Michael, Duke and Chris cheering for Fanboy and Chum Chum’s magic tricks.

"The Incredible Chulk"

She can be seen getting excited about Chum Chum being a Chulk and wanting to play with him.

"Norse Code"

She is seen eating lunch.

"The Great Bicycle Mystery"

She can be seen at The Frosty Mart.

"A Bopwork Orange"

She gets bopped by Boog.

"Freeze Tag"

She and her friends try to play freeze tag with Man-Arctica but he takes the game literally and starts freezing people. She and Lupe try to act cute and give him a sweater to make him stop. She and Lupe later get frozen.

"Schoolhouse Lock"

She gets excited about going to the carnival on the last day of school.

"The Big Bopper"

She is seen attending Boppie University.

"Present Not Accounted For"

Yo and her gift for Chum Chum. She and her friends celebrate Chum Chum’s birthday party. Her gift for Chum Chum is rocketboots.

"The Sword in the Throne"

She is seen skating on the wax floor in the school.

"Brain Freeze"

She appears at the end of the episode kissing Fanboy along with Lupe.

"Slime Day"

She like the rest of her friends all get excited about Slime Day. She and Lupe offer to help Fanboy and Chum Chum get slimed.

"Kids in the Hall"

She is first seen being silently annoyed with Kyle due to how he refused to become hall monitor. She is later seen dancing with Kyle.

"Field Trip of Horrors"

She like the rest of her friends is scared to go to the glop mines.

"There Will Be Shrieks"

She first is seen at Kyle’s apartment as he tries to get her screams for Fanboy and Chum Chum to get their taste back. She is later seen with Lupe as they lose their candy and get it back.

"HypnotOZed"

She is seen with her friends wanting to purchase Oz’s toys.

"Robo-mance"

She is seen getting a valentine from Chris.

"Rattleskunkupine!"

She along with Lupe, Nancy and Mr. Mufflin all get frightened by Scooter going into the dog park.

"Bubble Trouble"

She is seen waiting for Jay Mitchell.

"The Last Strawberry Fun Finger"

She watches the joust made for Fanboy and Chum Chum so they can figure out how to share the fun finger.

"Power Out"

She and a couple of other people get angry at the blackout and later tries to chase Fanboy and Chum Chum.

"Lice Lice Baby"

She is in class.

"A Very Brrr-y Icemas"

She goes to the Frosty Mart to make her Icemas wish. She and Lupe try to go make their Icemas wishes first but because of how nice they were, they let Fanboy and Chum Chum go first. She later gets upset when she finds out Mr. Mufflin was dressed up as Man-Arctica.

"Funny Face"

She and the rest of the class laugh at Fanboy’s face. She later appears with her friends taking the class picture but she and the others (except Fanboy and Chum Chum) get pied in the face.

"Put That Cookie Down!"

Lupe, Duke, Kyle, Chris and Yo excited to dance

Lupe, Duke, Kyle, Chris and Yo excited to dance

She can be seen with Duke, Kyle, Chris and Lupe being excited to dance.

"Two Tickets To Paladise"

She and Lupe play jump rope with Fanboy and Chum Chum.

"The Winners"

She and the rest of the town go against Fanboy and Chum Chum and tried to steal their prize cup.

"Speed Eraser"

She appears with Lupe and Nancy fighting over the eraser.

"Heroes vs. Villains"

She can be seen smiling the whole time Fanboy and Chum Chum argue. She later appears in an imaginary sequence as a civilian named Yois Yane who has been tied up and is hanging from bears.

"Face-Eating Aliens From Planet X"

Yo’s sleepover.

Yo’s sleepover.

She invites her female classmates to her sleepover.

"Camp-Arctica"

She can be seen playing volleyball with Lupe at Camp Warminuppa.

"Buddy Up"

Yo and Lupe buddied up

Yo and Lupe buddied up

She becomes buddies with Lupe for the field trip to the Dinosaur Museum.

"Microphonies"

She and the rest her classmates try to enjoy their time when Fanboy starts playing pranks with the school bell.

"Super Chums"

She plays on the playground.

"Secret Club"

She can be seen walking with Lupe at the beginning. She later appears with her at Fanboy and Chum Chum’s secret club.

Skills and Abilities

Weakness

Gallery

Click here to view more images from Yo.
The image gallery for Yo may be viewed here.

Trivia

Memorable Quotes

Episode Appearances

Characters