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Tropes applying to the entire Cybersquad
- Badass Bookworm: This applies to the whole group, but Inez in particular exhibits this.
- Badass in Distress: All three kids have gotten captured by someone (usually but not always Hacker). They frequently manage to escape and are defiant regardless.
- Badass Normal: All three kids, none of whom have any special abilities outside of their intelligence.
- Color-Coded Characters: Jackie favors yellow, Inez favors pink or purples, and Matt favors blue or green and our 'boid' friend usually pale purples, darker purples and red.
- The humans' colors are highlighted in "The Hacker's Challenge" where the teams are named based on the color associated with the human leading, with Jackie's team (her, Fluff the Penguin and Slider) as Yellow Team, Inez's team (her, Creech and Jules) as Purple Team and Matt's team (him, Digit and TW Parallini) as Green Team.
- Freudian Trio: Interesting in that while they have their standard roles (listed below), the kids occasionally switch roles depending on the situation at hand.
- My Friends... and Zoidberg: Three Earth kids...and Digit.
- The Power of Friendship: They have yet to meet a situation that their friendship can't enable them to fix.
- Power Trio: While they do succeed at missions where they're split up, the Squad is at their best when they're working together.
- Putting On My Thinking Cap: Jackie paces, Matt plays with his yo-yo and Inez does headstands. Lampshaded whenever Digit mimics Jackie's pacing.
- Summon Everyman Hero: Three ordinary kids with no real special qualifications outside of being at the right place at the right time but who were summoned into Cyberspace to combat Hacker anyway.
- Token Trio: Inez is Hispanic with a light tan skin color, and Jackie is black. Matt is the only 'typically' white person in the cast, with the rest of the characters being some kind of robot or cyborg.
- True Companions: It's noticeably a bad idea to mess with any member of the team and any time two of the main trio are fighting, the third will try everything they can to facilitate a reconciliation. For example, in one of the Halloween specials, Inez and Jackie get into a spat over an entry in Inez's diary that seemed to insult Jackie. Matt tries hard to fix things and is quite upset when he can't.
- Two Girls and a Guy: And, surprisingly, little drama.
An 11-year-old Farm boy sucked into Cyberspace and recruited to help Motherboard. Carries a very handy red backpack with him at all times, is reasonably athletic, and loves solving mysteries. Also loves Star Wars, the color green, Redwall, and Will Smith.
- Bag of Holding: He has a useful red backpack that he takes with him everywhere. Seriously, he never takes that thing off! And it's so rare for him not to have whatever is needed for the situation at hand that the show will lampshade it if it should happen.
- Berserk Button: Despite his overall easy-going nature, Matt has a couple, namely Slider showing him up and anytime Inez calls him "Matthew".
- Big Brother Mentor: Plays this role for the kids of Cybersite Perfectamundo, particularly young Razz.
- Determinator: If Matt decides he's going to do something, then he's not going to let anything stop him...for better or for worse.
- Farm Boy: Lives on a farm and has been shown to be involved in its upkeep.
- Embarrassing First Name: For whatever unexplained reason, he hates being called "Matthew".
- Fiery Redhead: While admittedly Matt doesn't really have much of a temper (unless you're Inez), he is slightly more hot-headed than either of the girls.
- Friendly Enemy: Starts off as one to Slider because he's jealous of how highly the girls think of him. This was eventually dropped when the two of them finally talked out their issues and mended their bridges.
- Friend to All Living Things: According to the website, he owns a bearded dragon, an armadillo, two African water frogs, and a dog named Obi Wan Kadoggie, although he doesn't always fit the "nice" part of the description.
- Genius Ditz: While admittedly Matt isn't your traditional ditz, he is a bit less level-headed than his teammates and more likely to make decisions without thinking all the way through. Despite these traits, there is one area where Matt really shines: Greek Mythology. In fact, whenever that's involved, Inez and Jackie just shut up and watch him lecture.
- Hidden Depths: Hates Valentine's Day, but made a card for Jackie and Inez all the same. It doubles as a Crowning Moment of Heartwarming.
- Honor Before Reason: If Matt gives his word, he'll keep it. This has gotten the group in deep trouble more than once.
- Idiot Hero: While he's still very bright, Matt has a tendency to make rash decisions and mess around with stuff that might have been in the group's best interest to avoid. One episode showcases this tendency perfectly, with him making a potentially life-threatening jump across a steam-obscured pit without knowing just how large the pit actually is...and then trying to jump it again after he falls short and has to be rescued by Digit.
- Red Is Heroic: His red hair stands out against the dark hair of both the girls and he's notably one of the few redheads on the heroes' side.
- Red Oni, Blue Oni: The red to both girls' blue, except when Jackie is freaking out in which case he's the blue to her red.
- Token White
- With Friends Like These...: To Slider, who he technically qualifies as a Friendly Enemy towards, and Inez, who he teases frequently and insists on calling an Embarrassing Nickname. He and Slider eventually work out their differences and become good friends. Granted, it took most of the episode but still.
Jackie is an 11-year-old girl who enjoys hanging out with her friends, and is possibly the hardest Earthlie to pin down in terms of character traits. She can be a little over-the-top with her emotions. She likes yellow, Destiny's Child, Shrek, tofu burgers, and Walk Two Moons by Sharon Creech.
- Black and Nerdy: Prone to gushing out everything she knows about various topics, even as her teammates roll their eyes.
- Brainy Brunette: Has a surprising amount of common sense and has a tendency to want to model a problem while solving it.
- Comical Overreacting: Jackie is typically the first one to react to a problem, and the one to make the biggest deal out of it. Though she doesn't make mountains out of molehills most of the time, she's very dramatic, and her reactions are often played for laughs, like the example below.
- Comic Relief: Unlike Matt and Inez, who are mostly straight characters, Jackie usually tends to lean towards this, and can almost be as silly as Hacker and his flunkies depending on the episode. This was especially prominent in the show's pilot, in lieu of Digit, who didn't exist at the time.
- Cloud Cuckoolander: At times, focusing on things like how cool the bandannas the trio is wearing on their first trip to the Wild West-themed cybersite Sensible Flats look rather than how small they are and therefore how impractical it would be to use them to measure a bed-frame's area. In the pilot, very yes.
- Early Installment Weirdness: In the 1999 pilot, Jackie was considerably nuttier, and not as insightful.
- Embarrassing First Name: She was rather miffed the first time anyone uttered her full name "Jacqueline" in front of her friends.
- Exposed to the Elements: Her skirt; she rarely wears pants or tights. In an early episode taking place in an arctic environment, she wore a winter coat and her... typical blue skirt.
- The Lancer: She takes this role to whoever she's paired with when the group splits up.
- Large Ham: She's easily the most vocal member of the group.Jackie: Cyberspace is doomed, doomed I tell you, DOOOOO-HOO-HOO-HOO-HOO-HOO-HOO-OOMED!
- Leader Wannabe: She was like this in the show's pilot, as part of her more pronounced somewhat incompetent comic relief role before Digit was added to the cast.
- Magic Skirt: Absolutely nothing in any of the seasons currently out, but it IS a kids' show
- Red Oni, Blue Oni: The red to Inez's blue and generally the blue to Matt's red though when she's spazzing, she's the red to both their blues.
- Sassy Black Woman: She has shades of this, but it's less prominent than some of her funnier personality traits.
- Thinking Out Loud: She tends to do this on occasion, usually when the team is stuck and in need of a solution.
- Why Did It Have to Be Snakes?: She hates bugs; they're guaranteed to make her start shrieking.
9-year-old girl who loves learning and books. Has a huge vocabulary and is always asking questions about the world around her. Likes purple, popcorn, Laura Ingalls Wilder, and Marc Anthony.
- Berserk Button: Just don't call her Nezzie (this goes double for Matt) and don't be a bad sport.
- It's also not a good idea to make fun of her vocabulary or her height.
- Birds of a Feather: Has a platonic version of this with Creech, the two of them having bonded over their large vocabulary.
- Brainy Brunette: Widely knowledgeable on numerous topics and quite competent at putting that knowledge to use.
- "This is not good. This is not good at all!"
- Also has "My sentiments exactly" when someone borrows her usual catchphrase
- Child Prodigy: Notably has knowledge that's not just outside of what you'd expect someone of her age to know but outside of the knowledge of her older teammates. Case in point:(In the wilderness, the trio hears a screech overhead.)Inez: Sounds like a member of the Accipiter family.Jackie: Who is the Accipiter family?Inez: Hawks.(She rides off. Matt comes up beside Jackie.)Matt: How does she know stuff like that?(Jackie shrugs.)
- Exposed to the Elements: Wears shorts, even to cybersites filled with snow.
- Kindhearted Cat Lover: She owns a cat named Gatito.
- Little Miss Snarker: She has her moments, frequently prompted by those around her making less than intelligent choices.
- Meganekko: Sweet and kindhearted with a strong sense of justice, Inez fits this trope to a T.
- The Napoleon: Do not call her short. Funnily enough she has no problem calling herself short.
- Red Oni, Blue Oni: Serves as the blue to both her teammates' reds, even when she's freaking out.
- Sesquipedalian Loquaciousness: She's prone to using large words, even in completely normal conversation, and having to translate for her teammates.
- Shorter Means Smarter: All three kids are smart; it's just that Inez, with her near Encyclopedic Knowledge, is the smartest.
- The Smart Guy: Not that Jackie or Matt are stupid; it's just Inez is the smartest. Part of the reason is that her knowledge covers more areas than her teammates, ranging from quotes from various famous people to the scientific name of hawks.
- Tsundere: A more assertive form of type B.
- Why Did It Have to Be Snakes?:
- She is not a fan of heights.
- She's not too fond of the trope namer, at one point yelling "I HATE SNAKES!" at the top of her lungs.
- By the events of the movie, she's no longer afraid of heights (no word on her fear of snakes) but has replaced it with a fear of bats; fortunately it's not bad enough that she can't actually help though it does shake her up badly.
Your friendly neighborhood "cyboid" and unofficial Team Pet. He used to work for Hacker, but flew the coop upon realizing that Hacker wasn't exactly a great guy. A fan of the Dixie Chicks and "Jonathan Livingston Seagull" by Richard Bach.
- Acrophobic Bird: He absolutely despises heights and if he looks down while in the air, there's a good chance his propeller will lock up and he'll start falling.
- Adorkable: Tends to show when he's trying his best to help the kids with their plans, despite not necessarily understanding what their intent is, or when he's going on about something he enjoys or someone he admires.
- Bag of Holding: In his little compartment, we can find anything from Widget to measuring tools.
- Chekhov's Skill: Digit can cook really well; not only has this enabled the team to bribe people with fresh scones but it also gave them a workable code book in "Codename: Icky" (the plan fell through but that wasn't Digit's fault). He's also able to mimic almost anyone he's heard speak absolutely flawlessly.
- The Chew Toy: If someone on the heroes' side is going to get beaten up, it'll be Digit. He's also guaranteed to land flat on his face and bend his beak all out of shape traveling through the Portals.
- Cowardly Lion: In general, Digit is freaked out about everything, but always rushes in.
- Deadpan Snarker: Has his moments, mostly directed towards Hacker, Buzz and Delete.
- Drama-Preserving Handicap: Occasionally, his propeller will be disabled to make it more difficult for his team to get around certain obstacles. In Widget's case, he is not yet able to fly.
- Fake Defector: Has pretended to go back to Hacker several times.
- Hidden Depths: Didge can speak Penguin.
- The Heart: The kids tend to take his emotional outbursts seriously and are very gentle with him when he's upset, even in situations where they'd be giving each other a hard time or ignoring each other.
- Ironic Fear: He does not like heights, despite being a boid.
- Kid-Appeal Character: Frequently serves as an Audience Surrogate and will frequently get distracted by things that would grab the attention of the target audience.
- The Lancer: To Matt, whenever the Cybersquad splits up. To a lesser extent, he'll act as Inez's Lancer when he pairs up with her.
- Mook–Face Turn: He used to work for Hacker...but since he hated working for him he eventually left his side.
- The Nicknamer: Has created nicknames for various characters with the most common recipient being Matt with "Mattie" (the more common) and "Mattser".
- Polly Wants a Microphone: While not a parrot, Digit's mimicry skills still qualify for this trope given that he's managed to impersonate Dr. Marbles, Hacker and assorted background characters.
- Supreme Chef: To the point that he had a successful cook-book published. His cooking has also been used on several occasions as a bribe or money-making tool and he was good enough to get selected for an in-universe extreme cooking show, even knowing how to fix a collapsed souffle.
- Talking Animal
- Team Pet: Isn't one himself but does provide one in the form of his miniaturized counterpart Widget
- Turned Against Their Masters: He was built by Hacker, but he left due to his dislike of working with him.
Pompous, dastardly, and power-hungry—the Big Bad of the series, until his in-series Villain Decay. At the moment, he is currently attempting to rescue his image. Like the color puce and Who Framed Roger Rabbit. Showing Hidden Depths, his favorite book is The Prince by Machiavelli.
- Bad Boss: He has a tendency to mistreat Buzz and Delete, particularly when he found out that one of them (presumably Delete) voted for Motherboard during an election.
- Bald of Evil: Dr. Marbles never gave him hair, hence the reason why he wears a wig.
- Big Bad: At least at first, what with crippling Motherboard and even managing to trick the Cybersquad into allowing him to replace her altogether. However he eventually downgrades into...
- Butt-Monkey: In later episodes. Most of Cyberspace treats Hacker as a joke and he falls victim to lots of prat falls and even falls for advertising scams even as he's trying to use them on cyber-citizens (and fails miserably).
- Face–Heel Turn: Pre-series. He was originally meant to help Dr. Marbles protect and repair Motherboard but ended up choosing to try to take over Cyberspace instead.
- Fashion-Victim Villain: During one episode, he tried to get Wicked to help him pick outfits after conquering Cyberspace. It didn't go well.
- Elvis Impersonator: Evokes this when he attempted to conquer Happily Ever After. He refers to himself as both "Big E" and "Evil Elvis" and even mentions needing a new pair of blue suede shoes.
- Fatal Flaw: His overconfidence has more often than not led to his downfall, with him refusing to believe the Cybersquad can beat him even after several previous defeats. His diminished threat has made him only slightly more cautious about this.
- Foil: To Dr. Marbles. While Dr. Marbles has dedicated his life to helping Cyberspace, specifically Motherboard, he has dedicated his life to conquer it and to destroy Motherboard.
- Insistent Terminology: "That's THE Hacker to you!" whenever someone simply calls him "Hacker."
- Lantern Jaw of Justice: Would qualify for this...Except he's evil. Look at it; you could cut things with that thing.
- Large Ham: Oh yeah. Whether he's announcing his latest scheme or reacting to something going wrong, his voice actor is clearly having fun with Hacker's dialogue.
- Names to Run Away from Really Fast: His name his (The) Hacker, and if that isn't enough he lives in a computer world.
- No Indoor Voice: Will randomly start shouting at the slightest provocation.
- Satanic Archetype: Was created to serve Motherboard only to try to overthrow her when he felt that he should be the one ruling Cyberspace. Upon his initial takeover attempt, he was banished to the Northern Frontier; prior to Villain Decay, Hacker was seen as a dreaded figure.
- Small Name, Big Ego: Is very full of himself, and a total megalomaniac.
- Smug Snake: He has a big ego and is always confident that his plans will succeed.
- Spell My Name with a "The": Provides the page quote. It's his Catchphrase.
- Surrounded by Idiots: He feels this way regarding Buzz and Delete, though Buzz is rather intelligent.
- Terrible Trio: Forms one with Buzz and Delete. They're just not very effective.
- Turned Against Their Masters: Built by Dr. Marbles for the purpose of maintaining and protecting Motherboard. Is currently dedicated to trying to get rid of her and take over Cyberspace.
- Unholy Matrimony: Has been in this with Wicked. It never lasts.
- Villain Decay: Lampshaded In-Universe with absolutely no one being afraid of Hacker anymore and Hacker trying desperately to save his image.
One of Hacker's henchmen and the smarter of the two. Likes blue-green, donuts, and Home Alone. Aspires to open a doughnut shop one day, but every attempt has been foiled so far.Buzz's first voice actor, Len Carlson, died in 2006. He was replaced by Phil Williams. The episode "Ecohaven: CSE" is dedicated to Mr. Carlson.
- Blue Oni: To Delete's red, having a more level head (by a little) and more common sense (just a hair more) than Delete.
- The Chew Toy: He becomes this in a few episodes and it never quite goes away considering how often he'll be bearing part of the brunt of the fallout of Hacker's latest scheme.
- Cute Little Fangs: His are located on his bottom jaw rather than the top jaw as is usual for this trope. They're also larger than the usual.
- Fat and Skinny: Forms this kind of duo with Delete. He's the fat to Delete's skinny.
- Foil: To Delete. Unlike Delete, Buzz acts like an adult and is usually the one who does the thinking. However, he is not as smart as his boss is.
- Harmless Villain: Not as harmless as Delete, but he tends to be rather comical. It doesn't help that he can never see the flaws in a plan until too late.
- Heterosexual Life-Partners: With Delete, despite having a completely different personality. He's none too pleased at the idea of loosing Delete's friendship to Hacker's would-be new hench-bot Gigabyte.
- Shorter Means Smarter: He's smarter than Delete at any rate, being able to come up with some pretty clever plans and is pretty good with computers and other tech. Still nowhere near as smart as the Cybersquad though.
- Trademark Favorite Food: Donuts. He's seen eating them in a majority of episodes and wants to run a shop selling them once he no longer has to help Hacker take over Cyberspace; he planned to use Slider's garage for this purpose had Slider not been able to pay off his father's debt to Hacker.
Another one of Hacker's henchmen and the more child-like of the two. His favorite colors are both rust and salmon. Likes The Wizard of Oz and Chicken Little.Although the website does not mention it, he really likes bunnies.
- And Call Him "George"!: Delete wants a bunny so he can "love him, and keep him, and call him George."
- Butt-Monkey: To Hacker's schemes whether it's the scheme failing or something going wrong in the middle of it. He even lampshades this at one point, asking "Why do these things always happen to me? Why not Buzz?"
- The Chew Toy: He's Been mangled, and crushed, and electrocuted, and blah blah blah blah blah! Basically, if Delete can get hurt or damaged in an episode, he probably will.
- Cute Little Fangs: His are located on the top jaw and while not as large as Buzz's, are still larger than the standard.
- Cute Machines: Just look at him! Who wouldn't want to hug him?
- The Ditz: Part of what makes him Buzz's Foil. Delete is prone to being Literal-Minded and frequently bumbles up even the simplest of tasks.
- Fake Defector: Has claimed that he wants to abandon Hacker a couple of times. It's never true and usually a trap.
- Fat and Skinny: Forms this kind of duo with Buzz; he's the skinny.
- Harmless Villain: Even more harmless than his partner. If he wasn't involved with Hacker, he probably wouldn't be any kind of threat at all.
- Heterosexual Life-Partners: With Buzz, despite their personality differences. He actually starts sobbing at the idea of their friendship breaking up.
- Kindhearted Simpleton: A rare villainous example.
- Lizard Folk: Hence the way his mouth looks like, he definitely resembles a crocodile. And before you can ask, yes, he has 2 teeth sticking out as well.
- Names to Run Away from Really Fast: Subverted. His name's Delete, he's villainous and he lives in a computer world... but he's a Harmless Villain who doesn't even try to be evil, and when he does, he fails miserably.
- Red Oni: To Buzz's blue, in a childish, ditzy, can't seem to focus manner.
- Villains Out Shopping: The Cybersquad has accused him of being up to no good even when he was just looking for Buzz.
Witch hailing from the cybersite of Happily Ever After. She's a bit obsessed with Hacker, to the point where she even faked being a princess to get to marry him.In the ending credits, she took Dr. Marbles' place a few seasons in.
- Affably Evil: She's actually treated the Cybersquad decently on occasions. In the later seasons, she's more interested in trying to get with Hacker than taking over Cyberspace.
- Clingy Jealous Girl: Sometimes. She's shown an ability not to be this trope when Hacker's trying to evoke it because she can see what he's doing.
- Conspicuous Consumption: After she helps Hacker take over Cyberspace, she immediately takes money and starts spending it willy-nilly, leading to an episode where the Cybersquad learns the benefits of managing your money efficiently and not wasting it on things you don't need.
- Evil Redhead: Generally a lazy variation, only performing schemes at Hacker's request, but wiped out the majority of the citizens of Happily Ever After's ability to count in her intro episode and once nearly wiped out Motherboard completely, all completely on her own.
- Fiery Redhead: Prone to loosing her temper and it's always spectacular when she does.
- Fluffy Fashion Feathers: When she was pretending to be the Princess of Pompadouria, she picked out this for her wedding dress.
- Hot Witch: She's not ugly like a traditional witch. She's good-looking enough for Hacker to be attracted to her, and in her first episode, she even got a marriage proposal from the King of Happily Ever After. (Her answer: No.)
- Unholy Matrimony: Has entered this with Hacker. It never lasts.
New villain introduced towards the very end of season 8. He was a huge fan of The Hacker back in the day, and aspired to be just like him.
- Ascended Fanboy: Became a villain just to impress Hacker. Though initially he is impressed, he realizes that he underestimated Inez which leads to his downfall.
- Knight of Cerebus: In his introduction episode, he created a Hate Plague that worked on not just everyone on Sensible Flats and Digit but also Matt and Jackie, who are not native to Cyberspace.
- They Look Just Like Everyone Else!: He actually looks fairly normal and acts nicely in his introduction. He's actually a rather dangerous villain.
The benevolent ruler of Cyberspace. Unfortunately, she's also pretty useless thanks to Hacker's virus. Her role in the series is mostly to give the kids their next assignment.
- Art Shift: Later seasons had her use 3D models instead of 2D.
- Big Good: In contrast to Hacker. Her whole purpose is to protect and serve the citizens of Cyberspace and she's willing to do whatever is best for them, even once being willing to turn over control of Cyberspace to Hacker in a fair election if it would be in everyone's best interest.
- Badass Bookworm: A unique example where all her badassery comes from her outsmarting and/or tricking the villains rather than doing anything physical.
- The Big Guy: Only in the sense that she's the most powerful member of the heroes.
- The Chick: She's the most vulnerable (under normal circumstances) member of the team and their whole goal is to protect her from Hacker.
- The Mentor: Serves as one to the Cybersquad, recruiting and guiding them through the ins and outs of the various cyber-sites.
- The Pollyanna: She always tries to see the good in others and be optimistic about things like Delete joining with the heroes; she's not quite as extreme though and encourages exercising caution whenever there's a possibility that events could go south.
- Status Quo Is God: Every time the kids find the Encryptor Chip, it gets destroyed or sent away. In "The Snelfu Snafu", the kids are forced to destroy the slot for the chip, meaning she'll never fully recover from the virus.
- The Stoic: She typically lacks emotion and has a monotone voice that doesn't emote much.
- Not So Stoic: Put the cyber-citizens or the Cybersquad in danger though? Suddenly she's not so emotionless.
- Team Mom: By virtue of being a technical adult in charge of the kids. She cares about them a lot and was quietly terrified at the idea that a portal mishap had the very real risk of erasing them from existence. Digit and Widget even make her a Mother's Day bouquet in the Mother's Day special.
Motherboard's tireless mechanic and creator of Hacker. Likes blue and TRON. His favorite novel is Zen and the Art of Motorcycle Maintenance… just take a guess at his favorite hobby.
- Foil: To Hacker. While Hacker is an evil scientist who is bent on taking over Cyberspace, Dr. Marbles is a scientist who has dedicated his life to good and to helping Motherboard.
- Put on a Bus: He doesn't appear nearly as often as Motherboard does, despite being her mechanic.
- Unwitting Instigator of Doom: Let's just say his decision to merely banish Hacker as opposed to shutting him down didn't exactly work out for the better in the long run.
A friend of the Cybersquad. His dad was once a friend and coworker of Hacker's, but went into hiding. In one of the Story Arcs, the Cybersquad helps him find his dad. He occasionally helps out the Earthlies and is popular with the fans.
- Badass Normal: Though he's a skilled skateboarder, smart and handy with tools, Slider doesn't really have any superpowers and doesn't seem as strong as other Cyberspace citizens seen.
- The Charmer: Pretty much everyone who meets him finds him cool and to most girls, he's a...
- Chick Magnet: Inez and Jackie both turn blushy and giggly around Slider, much to Matt's chagrin.
- Friendly Enemy: To Matt. It's more from Matt's end because Inez likes Slider a lot and Matt (supposedly) likes Inez (not that he'll admit it).
- If It's You, It's Okay: The only person who will never get called out for calling Inez "Nezzie".
- Innocent Prodigy: After his introduction episode, in which he starts off as a bit of a Jerk Ass.
- Minor Living Alone: For most of the show, he lives in the repair shop he inherited from his Disappeared Dad. Subverted when the Cybersquad help him find and rescue his father.
- Sixth Ranger: One of the earliest examples, joining up with the Cybersquad and helping them beat Hacker and having a whole arc dedicated to him searching for his father.
- Took a Level in Kindness: He's somewhat less friendly in his first episode than he is in subsequent appearances, fully intending to pull a Not My Problem until it was confirmed that Radopolis, his home, was under threat.
- Totally Radical: He comes from Radopolis. Slider himself is less Totally Radical than most of the other citizens of Radopolis that we've seen.
- With Friends Like These...: Mostly to Matt and it's mostly only from Matt's point of view. Slider actually seems to like Matt and has a fair amount of respect for the redhead.
Sam Vander RomJournalist seen around Cyberspace reporting on various doings. Quite the Deadpan Snarker.
- Blue Oni: To Erica's red, being more level-headed and logical than her.
- Deadpan Snarker: So, so much. A good portion of his dialogue is snark, especially when he suspects he's not getting the full truth.
- Punny Name: Sam Vander Rom...CD-rom...
- With Friends Like These...: To Erica Ram; his respect for her seems to fluctuate, especially when he feels he's being deceived.
Erica RamAn associate of Sam Vander Rom's. She is also a journalist.
CreechThe current ruler of the Cybersite Tikiville.
- Bare Your Midriff: Her costume features this.
- Birds of a Feather: Her relationship with Inez; they bonded over their shared intelligence and tendency to talk like a dictionary.
- A Child Shall Lead Them: Appears to be the same age range as the Cybersquad (Matt and Jackie are 11 while Inez is 9) and was the favorite to win the year before we meet her.
- Daddy's Girl: Is obviously close to her father in the Father's Day episode, being very proud of him winning the Father of the Year award and being worried sick when he starts acting strange.
- Sesquipedalian Loquaciousness: Frequently engages in this. It's how she and Inez became friends.
- Sixth Ranger: After her first episode, is frequently recruited by the Cybersquad whenever they're on her site or need an extra set of hands.
FluffPenguin who became one of the True Companions of the Cybersquad in the later seasons.
- The Ace: Develops into one for the citizens of Penguia. Ironically, each of his focus episodes features him being treated as anything but this trope, managing to succeed by the end of the episode.
- Everything's Better with Penguins: Probably the main reason behind his design and those of the residents of his cybersite.
- Humble Hero: Despite becoming The Ace, he tends to downplay his talents.
- "Well Done, Son!" Guy: Really wants to make his father and Aunt Rusty proud and live up to their legacy. With the help of the Cybersquad, he succeeds.
Sherry SpotterThe Cybersquad's main contact at Frogsnorts.
- Expy: Serves as a gender-flipped one of Harry Potter.
- Friendly Enemy: Mostly to Inez because Matt seems to have a mild crush on Sherry and Inez (supposedly) likes Matt (not that she'll admit it). This is Downplayed however in that Inez focuses more on teasing Matt than disliking Sherry.
- If It's You, It's Okay: Matt absolutely hates his full name of "Matthew" and will violently object to being called it...unless Sherry's the one doing it.
- Inept Mage: A Downplayed example as she's pretty good at casting but has done things like mess up an important magical task in her intro episode and forget her wand.
- "Well Done, Son!" Guy: She really wants to live up to her mother's legacy and suffers confidence issues when it looks like she'll fail to.
OllyA junior ranger on Ecotopia. Only appears in The Movie
- Birds of a Feather: Develops this kind of relationship with Inez, bonding with her over their shared fascination with the animals of Ecotopia.
- Brainy Brunette: On the level of the main trio, though he specializes in the site, its animals and their environments.
- "Well Done, Son!" Guy: Wants to be make his mom proud; achieves this by the end of the movie.
- Why Did It Have to Be Snakes?: Terrified of heights due to an incident where he nearly fell out of a tall tree as a toddler. Gets over it when Inez is in a similar situation and calling for help.
"For Real" segments
- Big "NO!": Harry screams it in the "For Real" segment for S05E03 "Designing Mr. Perfect", when the paint can falls off his wagon when Harry drives the wagon full of yellow paint cans up the stairs.
- Butt-Monkey: At first, his focus segments are all about his job or plan du jour falling through in a really embarrassing fashion or for a situation to turn out against his favor in a really unfair way or for something that he caused but that wasn't his fault but it tones down later.
- Characterization Marches On: In earlier episodes he was pretty naive, like Bianca, but later, when his full-out Manchild cousin, Harley, came into the picture, he became the smart one. By the later seasons, he borderlined on being a Marty Stu, considering he was nearly always portrayed as the Moral Conscience to Harley. Season 10, however, notably rerails his character back to more of a naive guy, considering Harley isn't in it.
- Manchild: Before Harley showed up, anyway. His old character profile on the PBS website lists his age as "The same as his shoe size."
- Why Do You Keep Changing Jobs?: He's gone through a lot of jobs and rarely seems to be able to hold one down for more than one episode.
- Jerkass: He comes across as this a lot.
- Manchild: Boy, is he!
- Put on a Bus: After becoming more and more prominent over the course of seasons 4-7 and becoming practically a regular by season 8, he fails to appear at all in season 10.
- The Ditz: Occasionally. It mostly comes from her having Skewed Priorities or not following directions.
- Put on a Bus: In season 9. But The Bus Came Back in season 10.
- Woman Child: Very much so.
- This was notably toned down in the latest season, likely because she mainly interacts with Harry.