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    Sector V 

Tropes that apply to Sector V

The main characters of the show, they are a division of a worldwide organization known as the Kids Next Door. They are considered to be one of the best teams in the KND.

  • Arch-Enemy: The team as a whole, especially Numbuh 1, are the main enemies to Father and the Delightful Children from Down the Lane. The individual members also have their own personal foes.
    • Numbuh 1 to Chad Dickson/Numbuh 274.
    • Numbuh 2 to Mushi Sanban.
    • Numbuh 3 to King Sandy.
    • Numbuh 4 to the Toiletnator.
    • Numbuh 5 to Cree, Stickybeard, and Heinrich von Marzipan.
  • Badass Adorable: Numbuh 3 is the best at being cute and awesome at the same time. That's not to say the other kids don't have their moments too, of course.
  • Badass Crew: A motley crew of military-trained 10-year-old kids who fight adult tyranny with advanced gadgets made from scrap. Numbuh 362 has referred to them as the best sector in the organization. The Series Finale "I.N.T.E.R.V.I.E.W.S." implies that none of them were decommissioned.
  • Badass Normal: By comparison with most of the villains anyway, as they rely mainly on Bamboo Technology and their military training in combat.
  • Bamboo Technology: They refer to it as "2x4 Technology" and it's what most of their equipment is made of.
  • Big, Thin, Short Trio: The male operatives—Hoagie, Nigel, and Wally, are respectively obese, skinny, and short.
  • Children Are Innocent: They're all exaggerated stereotypes of children in that they rival against the teenage and adult population, hate vegetables, like soda pop, and are rather innocent.
  • Colour Coded Characters:
    • Numbuh One/Nigel - Red
    • Numbuh Two/Hoagie - Teal
    • Numbuh Three/Kuki - Green
    • Numbuh Four/Wally - Orange
    • Numbuh Five/Abby - Blue or Purple
    • Honorary True Companion: Numbuh 49 / Lizzie - Yellow
  • Everyone Has Standards: They're as pro-kid and anti-adult as the rest of the organization but there are lines they will not cross. Numbuh Four gets called out on taking part in the Bully Fights and will oppose Knight Templar levels of behavior from other operatives. Unfortunately, Numbuh One may not have these standards anymore, as of the G:KND teaser.
  • Five-Token Band: The team consists of a British boy, an American boy, a Japanese girl, an Australian boy, and a French/African-American girl.
  • Free-Range Children: They often sleep in their treehouse headquarters and go all over the world and even to their organization's headquarters on the Moon. However, they still technically live with their parents, and later episodes occasionally show them hanging out in their own homes with their families a little bit more, and it even shows them going to school.
  • Gender-Equal Ensemble: They become this after Nigel leaves for the GKND in the Grand Finale.
  • Hidden Eyes: In their default appearances, 4 of them have their eyes covered. Numbuh 3 just has her eyes closed all the time. However, all of them except Numbuh 2 start to avert this more frequently as the series goes on.
  • Kid Hero: Five ten year-old kids who are part of a team fighting evil adults and teenagers.
  • Meaningful Name: Their real names have some connection to their designated numbers.
  • Nice Mean And Inbetween: Numbuh 2 and Numbuh 3 (Nice), Numbuh 4 (Mean) and Numbuh 1 and Numbuh 5 (Inbetween)
  • Strong Family Resemblance: All of the operatives bear striking resemblances to one or both of their parents; Numbuh 1 mostly to his dad, Numbuh 2 to his mom (and Tommy looks like a younger version of him), Numbuh 3 to her mom (and Mushi looks like a younger version of herself), Numbuh 4 to both but mostly his dad (and Joey looks like a baby version of him), and Numbuh 5 presumably resembles both of her parents as she is the only one where neither of her parents show their face and bears some resemblance to Cree.
  • Temporarily a Villain:
    • Everyone except Numbuh 5 were transformed into Spank Happy Vampires by Count Spankulot in "Operation: L.O.C.K.D.O.W.N." A similar case happens in the Licensed Game Operation: V.I.D.E.O.G.A.M.E., just with everyone except Numbuh 4.
    • Also, in Operation: Z.E.R.O., all of them except Numbuh One are turned into Senior Citizombies until Numbuh One is able to find a partial cure. (After doing so, and putting their plan into motion, Numbuh Two kicks him, and then says, "Sorry, the lower half of my body is still evil.")
  • Tomboy And Girly Girl: Numbuh 5, the snarky and tough second-in-command, and Numbuh 3, the somewhat ditzy, Rainbow Monkey-loving Genki Girl, are this respectively, but this is Played With in that Kuki normally dresses less femininely than Abby, as she usually wears a sweater and sneakers while Abby usually goes around in a minidress, white Mary Janes, and earrings.
  • True Companions: All five members share a close bond with each other and always have their backs.
  • Teen Superspy: Although, they are all tweens.
  • Two Girls to a Team: Numbuh 3 and Numbuh 5 are the only two female members of the group..
  • Villain Protagonist: In the early episodes, their main goals came off as selfish. Later on, they are more heroic and are clearly shown to only target evil adults who are clearly intent on causing harm or misery to children.
  • Wacky Parent, Serious Child: Played straight with Nigel, Wally, Abby, and their respective parents, inverted with Kuki and Hoagie's respective parents. Though the inversion is actually downplayed in Hoagie's case, as his mother isn't wacky, just a little high-strung.

    Numbuh 1
Numbuh One / Nigel Uno

Voiced by: Benjamin Diskin

"Kids Next Door, battle stations!"

The Leader of Sector V, an overworking agent who loves every minute of his job. He is widely considered one of the best of the best. However, his paranoia and stubbornness have gotten in the way of doing his job effectively at times.

  • Adorably Precocious Child: Tries too hard to not act his age, but it seeps through at times. Notably, he has no idea where babies come from.
  • Affectionate Nickname: Is called "Nigie" by Lizzie.
  • Agent Mulder: He makes the real Fox Mulder look positively skeptical in comparison. Even the most innocuous thing arouses his suspicions and he sees a massive conspiracy in every shadow. To his credit, he's usually right, at least to some extent.
  • All Love Is Unrequited:
    • While never directly stated or confirmed, it is heavily implied in "Operation W.H.I.T.E H.O.U.S.E." that he has a crush on Numbuh 3 as well.
    Adult!Numbuh 5: "Who had a crush on Numbuh Three?! and don't say Numbuh Four!"
    • There's also the unresolved Ship Tease between him and Numbuh 362. While Rachel's feelings for him became fairly obvious after Operation: G.I.R.L.F.R.I.E.N.D., whether or not Nigel returns her affections is unclear. He does, however, value her as a close friend, probably the closest one he has outside of Sector V.
  • Ambiguous Disorder: He's exceptionally paranoid and exhibits obsessive behavior, bordering on signs of mental illness.
  • Ambiguously Human: He's a blood relative (nephew and grandson respectively) of Father and Grandfather, the resident Humanoid Abominations among the KND's Rogues Gallery.
  • Arch-Enemy:
    • Has three: the Delightful Children from Down the Lane (his adopted cousins), Chad Dickson (aka Numbuh 274, the former Soopreme leader of the KND and Numbuh One's former mentor), and Father (his Evil Uncle).
    • Ironically, despite appearing the least of the three, there is a strong argument that Chad Dickson is the one Nigel hates most. They had a close friendship that ultimately turned to sour with Chad's betrayal, and whenever they appeared together Nigel doesn't even bother trying to coexist with him no matter the circumstances (compare that to the Delightful Children, who Nigel goes to school with, and even Father, who he's had an Enemy Mine with at least twice). Chad is also the only one of the three that Nigel wanted to kill, to the point of actually trying to do the deed in "Operation: T.R.E.A.T.Y." and nearly succeeding. The most ironic thing about all this is that Chad was never actually a villain, being a Fake Defector and double agent for the KND. Of course, that didn't stop him from returning Nigel's animosity.
  • Authority Equals Asskicking: The leader of Sector V and by far the most competent operative.
  • Badass Family:
    • His Dad is Numbuh 0, the first ever KND operative (of the 7th Age of the KND), Grandfather, who has twice conquered the world and also twice been defeated by his family, is his grandfather and Father, widely considered the biggest threat to all of KND, both normal and galactic, is his uncle.
    • The final episode revealed that his mother is also a Badass, being the first female operative of the 7th Age of the KND, Numbuh 999
  • Bald of Awesome: He's a bald hero, though not by choice. The Delightful Children made him lose his hair.
  • Berserk Button: There are some things that really set him off.
    • He snapped out of his Brainwashing (among many) after being overcharged at a restaurant.
    • Messing with his tree house.
    • Don't waste his time and resources on pointless missions.
  • British Stuffiness: Has shades of this.
  • But Now I Must Go: He leaves Earth in the Grand Finale to join the Galactic Kids Next Door.
  • Captain Ersatz: He's an obvious homage to Captain Picard. "Operation: T.R.I.C.K.Y." even has him dress as a Borg for Halloween.
  • Characterization Marches On: In the first season he was no-nonsense and short-tempered, often treating the others as like he was Surrounded by Idiots - though never thinking plans all the way through and getting the team into trouble as a result. The dedicated super spy leader characterization he would be known for didn't manifest until the first season finale, after which Numbuh One became the hyper-competent leader that was Not So Above It All. This also meshes with the fact that he shifted from leader of the Kids Next Door to just the leader of Sector V, taking a load of bumbling responsibility off of the character and letting him shine on his own merits.
  • Closet Geek: He secretly likes Rainbow Monkeys, but the other operatives don't know.
  • Cool Shades: He's never seen without his cool sunglasses.
  • Conspiracy Theorist: Though on some occasions, he turns out to be Properly Paranoid.
  • Crack Defeat: "Operation: E.L.E.C.T.I.O.N.S." He loses the election to the Delightful Children in a rigged election. He sets things right, only to find that he really did Eggbert Egglestein.
  • Deadpan Snarker: Tends to be almost as sarcastic as Numbuh Five at times.
  • Deconstructed Character Archetype: Of the Workaholic and Ideal Hero. Nigel selflessly dedicates himself to saving kids from adult tyranny and is staunchly loyal to the Kids Next Door above all else, and the higher-ups consider him the KND's best operative. But he is so single-mindedly devoted to his job that he tends to ignore everything else in favor of it. "Operation: Q.U.I.E.T." shows him neglecting his health by staying up for six days improving the treehouse's defense systems, and "Operation: D.A.T.E." shows him ignoring Lizzie on their date in favor of trying to investigate the Delightful Children's evil plot. She eventually dumps him after realizing that he'll never be able give her the attention she wants because he's too busy with the KND. At the end of the series, he leaves Earth to join the Galactic Kids Next Door. Though it clearly hurts him to leave behind his family and his best friends, he goes because he believes that the GKND, and all the kids in the galaxy, need him more. In the 2015 "Stop the G:KND" teaser, he's seriously considering destroying Earth with everyone he loves on it because it's completely infested with adults and "too far gone".
  • Embarrassing Nickname: Numbuh 274 and the Delightful Children mockingly call him "Nigie," his ex-girlfriend's Affectionate Nickname for him.
  • Evil Costume Switch: In the GKND teasers, he has replaced his trademark sunglasses with a sinister-looking visor.
  • Evil Former Friend: Potentially has become this to the rest of Sector V as of the GKND teaser.
  • Face–Heel Turn: If he is not planning something in the teasers for the GKND, then he has turned on the Earth, the KND, and his friends for real. He has started what is going to be the fight of their lives.
  • Fallen Hero: In the GKND teasers, it's shown he'd be willing to go along with the titular organization's plan because of the massive number of adults on Earth.
  • Four-Temperament Ensemble: Melancholic (hardworking, stubborn, easily paranoid, and takes the Kids Next Door VERY seriously).
  • Fragile Speedster: In the online game Protect and Swerve, he drives a bicycle called the T.W.A.C.K.E.R.; it is the fastest vehicle in the game, but has the weakest armor.
  • Goofy Print Underwear: He wears Rainbow Monkey underwear, as seen in "Operation: B.U.T.T."
  • Henpecked Husband: Or boyfriend in this case. Given Lizzie's fierce attitude, Nigel is in constant fear of her wrath, but loves her nonetheless.
  • Heritage Disconnect: He has a British accent because he was born there, and even after he moved to America at a young age he never lost his accent. When he visits England he's utterly confused and annoyed by the terminology and social differences.
  • The Hero: He is the leader and head operative of Sector V, as well as keeper of the Book of KND. In fact, he has risen to become one of the greatest KND operatives ever. Numbuh 1 takes his position and responsibilities as a KND operative very seriously, often engaging in missions for days at a time without rest.
  • Heroes Want Redheads: He dated Lizzie, a redhead.
  • Heroic BSoD: Gets this after the Delightful Children turn him into an adult until Numbuh Five gives him a Rousing Speech to get him back.
  • Heroic Lineage: He's the son of Numbuh Zero, the most famous KND operative in recorded history.
  • Heterosexual Life-Partners: He once referred to Numbuh 2 as his best friend. Also shares this relationship with Numbah 4.
  • Humanoid Abomination: While it wasn't shown outright, it's worth nothing that he's a blood relative of both Father and Grandfather. Fanon belief has it that he is capable of inheriting powers similar to theirs, but how and/or why tends to vary, though it's generally agreed upon that the only reason he doesn't have them is due to being unaware of his blood relations for a time. However, his own dad, Monty, has never been seen using it or hinting at it, so perhaps only the bad eggs of the Uno family can use it.
  • Hypocrite: He can play the Sousaphone, he just doesn't like listening to it.
  • I Did What I Had to Do: This is his entire demeanor when Chad is pleading with him not to destroy the Earth with everyone they love on it in the GKND teaser.
  • Informed Deformity: According to everyone else in the show, his butt is so huge it's the kind of badonkadonk spoken only in legend. The viewers see a photo of it in the end.
  • Jetpack: Has Jet Boots, also uses one in "Operation: O.O.M.P.A.H."
  • The Leader: He is in charge of Sector V.
  • Loved I Not Honor More: Abides by this philosophy until "Operation G.I.R.L.F.R.I.E.N.D.", where he chooses to protect Lizzie over a mission. Unfortunately, Lizzie has already had enough and breaks up with him.
  • MacGyvering: In Operation: E.L.E.C.T.I.O.N.S., he escaped from a cell by slugging Lunk (who was guarding him) stealing Lunk's bubble gum, and turning the gum into a makeshift skeleton key. (Which, likely for the sake of humor, was given the 2x4 designation G.U.M.M.B.O. right on the spot, standing for Gooey Unlocking Mush Maximizes Break Outs.)
  • Married to the Job: Notably, he didn't want to go on a vacation despite his teammates' wishes for him to do so. Deconstructed by the fact that it really hurts his relationship with Lizzie. The main cause of their breakup is that he is constantly working when they are supposed to be on a date.
  • Meaningful Name: Nigel Uno — Uno is Spanish for "one".
  • Necessary Evil: Nigel clearly does not enjoy what he is doing in the GKND teaser; it is clear that he feels like it is the only option he has left.
  • The Needs of the Many: Implied to be the reason he would willingly put his friends in danger in the GKND teaser. It was clear he had some hesitation, but in the end decided the needs of the many outweigh the needs of the few, even if those few are the people he loves the most in the world.
  • Noodle Incident: The Delightful Children are responsible for him losing his hair. Exactly how we never learn.
  • Officer and a Gentleman: He's incredibly polite, even with adults (provided he's not fighting them), the most likely to invoke Let's Fight Like Gentlemen, and has an honorable streak the other KND lack.
  • Official Couple: With Lizzie, though she breaks up with him near the end of the series in "Operation: G.I.R.L.F.R.I.E.N.D.", after realizing that his loyalty to the KND will always come first.
  • Only Child Syndrome: Nigel is the only Sector V member who doesn't have any brothers or sisters. Likely to fit his theme of being "one".
  • Paper-Thin Disguise: He disguises himself as Billy in the crossover with The Grim Adventures of Billy & Mandy by simply wearing a frying pan on his head and a tomato for a fake nose. Also, "Operation: F.L.U.S.H." has Mr. Boss mention that he fooled the Toiletnator with a T-shirt that said "I am not Numbuh 1".
  • Passing the Torch: Before joining the Galactic Kids Next Door, he makes Numbuh 5 the new leader of Sector V and gives his shades to her.
  • Platonic Life-Partners: He and Numbuh Five are close friends of opposite genders who aren't in love with each other.
  • Playful Otter: Gets turned into one in "Operation: G.R.A.D.U.A.T.E.S.".
  • Prematurely Bald: Thanks to the Delightful Children, he's lost his hair while he's still young.
  • Properly Paranoid: While his theories are plausible in his world, they're so convoluted that it's easy to see where he's stretching it.
  • Real Men Wear Pink: He likes Rainbow Monkeys (though he may not know it) as shown in the credits of "Operation S.A.T.U.R.N." and is shown to wear Rainbow Monkey underwear as shown in "Operation B.U.T.T."
  • Red Is Heroic: The leader of KND wears a red turtleneck.
  • Ship Tease: With Rachel, especially during Operation: I.T. and Operation: G.I.R.L.F.R.I.E.N.D after he and Lizzie break up.
  • Single Tear: In the G:KND teaser, he's planning to destroy the Earth because it's too infested with adults, but almost can't bring himself to go through with it. Finally, he sheds a single tear and salutes the Earth before shouting, "Galactic Kids Next Door rules!" and activates the command module.
  • Sunglasses at Night: He's almost never seen without his pair of sunglasses.
  • Team Dad: He looks after his fellow operatives. Incidentally, his father is a former KND agent.
  • Unwitting Pawn: Of the Galactic Kids Next Door.
  • Used to Be a Sweet Kid: What happened between the events of the series and the G:KND teaser that turned the good-hearted Nigel we all know and love into a cold-blooded Galactic KND operative willing to destroy the Earth?
  • Vocal Dissonance: After Vocal Evolution hit, he ended up with a voice more suited for a young man in his teens, despite being only 10-11 years old.
  • Vocal Evolution: His voice was higher and more nasal sounding when the series started, before taking a deeper and more authoritative tone.
  • We Used to Be Friends: His issue with Chad stems from this. Nigel had idolized him, and Chad's betrayal had stung him deeply. Ironically, the betrayal wasn't real, but Chad had his own issue with Nigel possibly becoming better than him. After seeing what happened in the GKND teaser, this is probably going to be his relationship with the rest of Sector V from here on, unless the end of "Operation: I.N.T.E.R.V.I.E.W.S." is a hint that they eventually make up somewhere down the line.
  • Where I Was Born and Razed: He's planning to destroy Earth, his home planet, in the GKND teaser because it's "too infested with adults".
  • Workaholic: Completely dedicated to his job as a KND officer. He once stayed up for six days without any sleep fixing the treehouse's security system, to the point that Abby had to physically drag him away from the machine and force him to go to bed. Some episodes, including "Operation: D.A.T.E." and "Operation: B.E.A.C.H.", show him still trying to fight adult tyranny when he and his team are supposed to be on vacation.
  • World's Best Warrior: Considered to be the best KND operative on the planet after Chad defected. Even when it's revealed that Chad is a Fake Defector, Nigel is still considered to be this by the higher-ups, which is why Chad hates him so much.

    Numbuh 2
Numbuh Two / Hogarth P. Gilligan Jr. (Hoagie)

Voiced by: Benjamin Diskin

"Come to Numbuh Two!"

The team's technology expert who loves cracking bad jokes. As Sector V's technology officer, he designs much of the 2×4 technology the team uses. In his off-time he enjoys building and flying airplanes and solving mysteries at his school.

  • Absentee Actor: He's the only member of Sector V who doesn't put in a voiced or physical appearance in the 2015 "Stop the g:KND" trailer, although his name is mentioned by Chad when trying to convince Nigel not to blow up the Earth.
  • Ace Pilot: He's even better at flying his machines than he is at building them.
  • Acrofatic: Though there are a few episodes where his chubbiness works against him. He mostly proves surprisingly athletic, though that's justified in that he and his team have been militarily trained.
  • Adorkable: His awkwardness and bad puns can be quite charming.
  • Airplane Arms: Used this in the original pilot.
  • Aloof Big Brother: While he can come off as this towards his little brother, Tommy, he does have Big Brother Instinct moments as well, often defending his little brother and displaying pride in his accomplishments. However more often than not, he is annoyed by Tommy's antics and often feels like he's too inexperienced to act as a full-fledged KND operative.
  • Beware the Nice Ones: While not to the same degree as Numbuh 3, he is still a Nice Guy that can make you regret causing trouble.
  • Beware the Silly Ones: He's not taken seriously by anyone. More than once he's proven why that is a bad idea.
  • Big Eater: He tends to have a huge appetite. He's also the only one who will eat Grandma Stuffum's cooking willingly.
  • Big Guy, Little Guy: The big to Numbuh Four's little.
  • Brains and Brawn: The Brains to Numbuh Four's Brawn given how the two are seen working together.
  • Brilliant, but Lazy: Could be on par with other high level operatives but cares more for following his passions and innovations than doing so. He is notably seen doing more non-standard operative work than any other member of his sector, very little of which actually relates to his stated position and is done for his own entertainment. This does not apply to his tech guru role which he approaches with relish.
  • Bungling Inventor: His clumsiness and short-sightedness sometimes cause his inventions to have fatal flaws.
  • Bunny-Ears Lawyer: Despite all his eccentricities, he's an awesome pilot and techie.
  • Cannot Tell a Joke: Numbuh 2 is always is making puns and telling jokes which draw nothing but groans from his fellow agents. In operation P.O.O.L. the agents meet their Bizarro World counterparts which exhibit the opposite traits of the normal agents; in contrast to the real Numbuh 2, Negative Numbuh 2 is a good comedian who always makes people laugh, except for Numbuh 2 himself, who doesn't find his negative counterpart's jokes to be funny at all.
  • Compressed Vice: His chocolate sauce addiction. Possibly justified given how the flashback revealed this was back when he was part of the Safety Patrol so back before the series.
  • Crouching Moron, Hidden Badass: A chubby dork who is nonetheless one of the best engineers and pilots that KND has to offer. He's saved the KND single-handedly more than once and is the only one in his Sector besides Numbuh 1 to have beaten Father in a one-on-one confrontation.
  • Disappeared Dad: Numbuh 2's dad, Hoagie P. Gilligan, Sr., hasn't been seen at all throughout the series. It's never made clear if he's dead or just separated from his wife.
  • Dork Knight: Despite his quirks, he's probably the most overtly heroic of all of the KND, who tend to be varying degrees of Anti-Hero.
  • Everyone Has Standards: He can eat nearly anything, including Gramma Stuffum's cooking. But a single bite of Lizzie's special pie instantly knocks him unconscious.
  • Expressive Mask: His flight goggles, which he hardly ever removes. One can be forgiven for thinking that those are just his eyes.
  • Extreme Omnivore: He's the only one who can stomach Grandma Stuffum's monstrous food. And just about anything else, really.
  • Fat Comic Relief: Along with Numbuh 3, he tends to be one of the most comical members of the team.
  • Four-Temperament Ensemble: Phlegmatic (laid back, friendly, sensitive, and the least action-oriented of Sector V).
  • Formerly Fat: He loses a lot of weight when he becomes a teenager.
  • Gadgeteer Genius: He is one of the KND's best of these if not arguably the best. In fact, he's considered so good that when plenty of other scientist kids are kidnapped by the supposed "Splinter Cell", special interest is put into protecting him by putting him into hiding. As Numbuh One put it, if they got their hands on Numbuh Two, they'd be able to build almost anything.
  • Geek Physiques: The chubby kind.
  • Goggles Do Nothing: Half and half, he works with high speed equipment so it would help with wind resistance. But generally just has them on most of the time for no reason either.
  • G-Rated Drug: Chocolate syrup in the past, he even went to Alcoholics Anonymous-style group therapy meetings for them. An original script revealed that it was originally cranberry sauce.
  • Happily Married: To Numbuh 5 of all people as adults.
  • He Is All Grown Up: Teen!Hogarth is pretty cute (not to mention much thinner), and even manages to catch Cree's attention. He eventually regained weight as an adult though.
  • Improbable Piloting Skills: Especially considering that his machines should hardly be able to get off the ground in the first place.
  • In Touch with His Feminine Side: He's seen enjoying the Rainbow Monkey movie in "Operation M.O.V.I.E."
  • Meaningful Name:
    • Hogarth P. Gilligan Jr., appropriately enough, a twofer reference. First, there's "Gilligan," a reference to the title character of Gilligan's Island, who was also second-in-command on the S.S. Minnow. Then there's the "Jr.", often used at the end of a boy's name to signify that he's the second male in the family to have inherited his father's namenote  (a seemingly throwaway detail that foreshadows the importance of his Disappeared Dad, Hogarth P. Gilligan, Sr.)
    • Also in that one can view him as the "Number 2" to Nigel. Apparently, they have been best friends since kindergarten and the series finale has him address Numbuh 1 by name when Numbuh 2 says his good-bye to him when Numbuh 1 is headed to the GKND.
    • There's his nickname "Hoagie," befitting his fondness for food.
  • Nerdy Nasalness: Numbuh 2 speaks with a nasal voice, emphasizing his nerdiness.
  • Nice Guy: Probably the nicest and most optimistic of all of Sector V.
  • Nice Hat: An old-school flight helmet and goggles. He also wears a fedora when in "detective mode".
  • Number Two: Besides being his moniker, he is Numbuh 1's right hand man and his oldest friend to boot.
  • Official Couple: "Operation: I.N.T.E.R.V.I.E.W.S." reveals that he and Numbuh 5 got married in adulthood.

    Numbuh 3
Numbuh Three / Kuki Sanban

Voiced by: Lauren Tom

"What do you think I am, an airhead or something?"

The team's medic, and the most feminine of the kids, a happy-go-lucky girl who loves Rainbow Monkeys. In battle, she specializes in diversionary tactics. She seems to have a lot of admirers, but her heart obviously belongs to a certain Aussie.

  • Action Girl: Overshadowed by Numbuh 5 in this department, but she's definitely not someone to be messed with.
  • Adorkable: Ditzy, absent-minded, and a lover of Rainbow Monkeys.
  • Adult Fear: Although she's still a child, she goes through this in "Operation: H.O.M.E." when she has to send her first Rainbow Monkey to a care home after he becomes too old and ragged to bring on missions and finds out that the care home is actually a front for a business that grinds up Rainbow Monkeys into cereal, much like an adult who leaves their elderly parent in a nursing home and later finds out they're being abused by the people who are supposed to be taking care of them.
  • Animal Motifs: In "Operation: G.R.A.D.U.A.T.E.S", her animal form of a Japanese red-crowned crane is probably the most fitting of Sector V's; cranes are graceful and energetic birds frequently associated with beauty, tranquility and good fortune, but can also be quite ferocious when threatened or angered—imagining Kuki as one is not much of a stretch.
  • The Anti-Nihilist: Her general philosophy comes across as this. In a series that runs on Growing Up Sucks, many of the child characters look toward aging with grimness or depression. Kuki never gives into this mindset, though, even though she's aware that she won't be a little girl forever—instead, she focuses on being happy, having fun, and spreading joy despite knowing that her childhood is temporary.
  • Ascended Fangirl: She becomes CEO of the Rainbow Monkeys Corporation when she grows up.
  • Asian Airhead: She fits the type, but it's apparently all an act.
  • Attention Deficit... Ooh, Shiny!: She has a very short attention span, but is long on charm, speaking in a slight Asian accent, and often alludes to her Japanese heritage.
  • The Baby of the Bunch: The youngest member of Sector V according to the KND wiki, with an innocent, ditzy, and kindhearted personality to match.
  • Belligerent Sexual Tension: With Numbuh 4. They get into their disagreements, but eventually come to realize that they love each other.
  • Berserk Button: Do not insult the Rainbow Monkeys in front of her (that means you, Wally) and don't even mess with her plushies either. Or her friends, or the hamsters, or Bradley.
  • Beware the Nice Ones: Underneath her kind personality, lies a ferocious temper that even Numbuh 4 fears.
  • Bilingual Bonus:
    • Kuki's last name ("Sanban") is Japanese for "third one" ("san" means three and the Japanese suffix "-ban" is used when creating ordinal numbers). "Kuki" itself is Japanese for "air", reflecting her carefree and Cloudcuckoolander personality.
    • Her father's name, Kani, is Japanese for "crab" referring to his Hair-Trigger Temper.
    • Her sister Mushi is Japanese for "insect", referring at how she can be a pest some times.
    • Her mother's name is Genki, who is more staid and well-behaved than what her name implies (see Genki Girl).
  • Cain and Abel: The Abel to Mushi's Cain. She's nice, but her younger sister is downright evil.
  • Cheerful Child: Cheerful is a serious understatement, as her happiness is often greater than anyone else's in the series.
  • The Chick: She fills this role, since she's much girlier than second-in-command Number 5.
  • Cloudcuckoolander: Numbuh 3 lives on a planet that hasn't even been discovered yet.
  • Crouching Moron, Hidden Badass: Most of the time, she's an airhead with a short attention span. She's still extremely dangerous if provoked.
    Numbuh 3: Toys? I don't want toys. I want revenge.
  • Cute and Psycho: At her most frightening, she becomes creepily hostile.
  • Cute Bruiser: She's adorable and cheery, and perfectly capable of putting the hurting on you.
  • Cuteness Proximity: She turns into jello anytime something even remotely cute and cuddly shows itself.
  • The Cutie: Numbuh 3 is the most innocent and adorable member of Sector V, and loves Rainbow Monkeys, baby animals, and all things cute. The intro shows her happily skipping around with a bouquet of flowers.
  • Damsel in Distress: A recurring plot with King Sandy, though it stopped once he fell in love with her little sister Mushi instead.
  • Demon Head: She has quite a Game Face when she gets angry.
  • The Ditz: She acts pretty mindless a lot of times, even when she's in battle. Occasionally switches to Genius Ditz, depending on the situation.
  • Dork Knight: She's cute, likable, and a very formidable member of the team.
  • Dude Magnet: Numbuh 4 aside, she's caught the attention of several other boys.
  • Everyone Can See It: Her relationship with Numbuh 4.
    Numbuh 12: (during a slumber party) Okay, Numbuh 3! Truth or dare?
    Numbuh 3: Truth, silly!
    Numbuh 12: Okay! Do you like Numbuh 4? (Numbuh 4, who is sitting nearby and wearing a Paper-Thin Disguise, spits out his soda)
    Numbuh 3: Of course I like Numbuh 4! We're in the same unit!
    Numbuh 12: (smirks and shakes her head) Nooooo! Do you like-like Numbuh 4?
    Numbuh 3: You mean, like-like?
    Numbuh 12 and Numbuh 23: (simultaneously) YES! (both giggle while covering their hands with their mouths)
  • Eyes Always Shut: One prominent aversion of her eyes always being closed is when she finds out that Lizzie is an alien.
  • Fan Disservice: When she and Numbuh 4 start making out as senior citi-zombies. Also an In-Universe example since their friends who were not yet zombified reacted with horror and disgust.
  • Fireball Eyeballs: When she gets really mad.
  • Fluffy Tamer: In one comic she tames a three-headed poodle and names it Waffles.
  • Four-Temperament Ensemble: Sanguine (ditzy, cheerful, easily distracted Mood-Swinger)
  • Flanderization: Her love for Rainbow Monkeys grew to ridiculous proportions as the series went on. So much so that it even saved the universe at one point.
  • Friend to All Living Things: A lover of Rainbow Monkeys, hamsters, skunks, etc.
  • Genki Girl: The most excitable member of Sector V.
  • Girlish Pigtails: When she was younger, she had pigtails.
  • Girls Love Stuffed Animals: Her room is filled with tons of stuffed toys.
  • Girly Bruiser: A girly girl who becomes the most intimidating member of Sector V when angry.
  • Girly Girl with a Tomboy Streak: She's a somewhat ditzy, Rainbow Monkey-loving Genki Girl, but she has no trouble doing unpleasant things or getting dirty, loves skunks, and when angry she has a much more aggressive demeanor. This is played with in that she normally dresses less femininely than Abby.
  • Goth: Temporarily becomes a goth in "Operation: C.A.R.A.M.E.L." after losing her cheerfulness.
  • The Grim Reaper: She temporarily replaces Grim in this role when she appears in Billy and Mandy's Big Boogey Adventure.
  • Hand-Hiding Sleeves: Of the "Cute" variety; she wears a green sweater with overly long sleeves. (Even her nightgown has them.) She's also an innocent, ditzy, and simple-minded girl.
  • Happily Married: To Numbuh 4 in the future, not that anyone was surprised.
  • Hidden Depths: In "Operation: F.A.S.T.-F.O.O.D.", Numbuh 4 thinks she'll want to pick flowers or get a pony for her birthday wish. Nope, she wants to lead a mission!
    • As the final episode reveals, she's actually a lot more aware of her surroundings than she lets on. When Numbuh 1 is saying goodbye as he prepares to leave Earth and join the Galactic KND, she chides him for thinking she's oblivious, leading to the page quote. In general, it's implied that she's choosing to be optimistic and ditzy, as either a coping mechanism or because life's just more fun that way.
  • Humongous Mecha: H.I.P.P.Y.-H.O.P., a bunny mecha she sometimes pilots.
  • Idiot Hair: A single hair strand of her hair is always sticking out.
  • Idiot Hero: Probably tied with Numbuh 4 in being a hero who isn't very bright.
  • Improbable Weapon User: Not in the show proper, but in the Cartoon Network game Rainbow Monkey Rundown, she fights King Sandy's minions with a yo-yo.
  • Jerk with a Heart of Gold: Her future self shown in "Operation: I.N.T.E.R.V.I.E.W.S." is a very harsh and serious businesswoman, much like her mother, but she is still sad because of Numbuh 1's departure.
  • Kiddie Kid: Of Sector V, Numbuh 3 is the most childlike in personality.
  • Kindhearted Simpleton: She is girly, optimistic, bubbly, dizzy-headed, clueless, kind, caring, patient, gentle, and arguably smarter than her teammate, Numbuh 4, upon whom she harbors a crush, as seen throughout the show, though it is less obvious.
  • Kiss of Death: After she gets The Virus in Operation: Z.E.R.O., she infects Numbuh 4 with a kiss.
  • Let's Get Dangerous!: She's outrageously ditzy and easily distracted, but she can be a genuine threat when the chips are down.
  • Like Brother and Sister: Numbuh 1 considers her to be like a sister to him. She also has this relationship with Numbuh 2.
  • Little Miss Badass: A 10-year-old girl who can make grown men cry has earned this title.
  • Loose Lips: She cannot keep a secret, even for a couple of seconds.
  • Mama Bear: Do not mess with the hamsters or Bradley.
  • Meaningful Name: Kuki Sanban — "Sanban" is Japanese for "third"; Kuki is a misspelling of "kooky" (meaning crazy or off-kilter) and is also Japanese for "air", both of which refers to her ditzy, Cloudcuckoolander personality.
  • The Medic: Numbuh 3 is described as the "Diversionary Tactics Expert", and is the nurse of medic lab and the hamsters' caretaker of Sector V.
  • Meganekko: As an adult, she wears glasses.
  • Mood-Swinger: She can go from "obliviously cheerful" to "homicidally angry" at the drop of a hat.
  • Morality Pet: Wally's. While he's not a bad guy by any stretch of the imagination, many of his kindest moments are reserved for her, like in "Operation: B.U.T.T." when he tries to cheer her up by getting out her stuffed animals and talking in a silly voice, something he would normally hate—but he'd do it for Kuki in a heartbeat.
  • Nice Girl: She's a cheery, sweet natured girl.
  • Nobody's That Dumb: Near the end of the Grand Finale, "Operation: I.N.T.E.R.V.I.E.W.S.", when Numbuh 1 is saying goodbye to his crew before he leaves Earth to join the Galactic Kids Next Door, he talks with her one last time:
    Numbuh 3: Soooo, what we gonna do tomorrow Numbuh 1?
    Numbuh 1: Ahh, yeah, I'm not going to be here Numbuh 3.
    Numbuh 3: Oh... And what about the day after that?.
    Numbuh 1: Oh, let me explain Kuki...
    Numbuh 3: Oh, I know you're leaving, silly. What do you think I am, an airhead or something?
    Numbuh 1: Never for a second.
  • The Nose Knows: She can track Rainbow Monkeys down with her nose.
  • Not So Different: She and Numbuh 4 have one thing in common: They're both very sensitive.
  • Obfuscating Stupidity: According to The Other Wiki, she only acts airheaded and happy to keep from being depressed.
  • Ocular Gushers: Whenever she's crying.
  • Official Couple: She marries Numbuh 4 by the end of the series, so obvious a spoiler tag isn't even needed.
  • Only Friend: She's the only one willing to be friends with Numbuh 86.
  • Opposites Attract: With Numbuh 4.
  • The Pollyanna: Although the Christmas Episode reveals that her optimism is just for show.
  • Precision F-Strike: Played utterly straight (it's bleeped out!) in the first post-countdown video of the GKND ARG, reacting to The Reveal of Numbuh VINE's identity as Lizzie.
    Numbuh 3: "Holy f**k."
  • Prim and Proper Bun: As an adult, she wears her hair in a bun.
  • Ridiculously Successful Future Self: The Cloudcuckoolander grows up to become the CEO of the Rainbow Monkey Corporation.
  • Running Gag: Trying to use the Hippy Hop mecha in battle never ends well.
  • Saying Too Much: Being The Ditz, she tends to blurt out more information than necessary at inopportune times.
    • At the end of "Operation: S.P.A.N.K.", she accidentally blurts out that Sector V tricked Count Spankulot into spanking the judge and his wife to get him arrested, and that they previously also got him arrested by tricking him into spanking an innocent child. The episode ends with a furious Count Spankulot spanking Sector V in retaliation.
    • In "Operation: H.O.L.I.D.A.Y.", Lizzie demands to know who Numbuh 10 is and why she's on vacation with Numbuh 1. Numbuh 2 quickly says that she's not important, but Numbuh 3 lets it slip that she's the leader of Sector L, the anchor of the Kids Next Door News Network, and the prettiest girl in the whole Kids Next Door.
  • Stepford Smiler: As revealed in the final episodes of the series.
  • Sweater Girl: Always wears her trademark green sweater.
  • Team Mom: To any animals she comes across, and occasionally to the team when Abby's not playing the role—in one episode, she even chews out Abby herself for endangering herself and worrying everyone.
    Kuki: You gotta be crazy running around with the chicken pox! You'll catch the rooster pox and turn purple, silly! What are you, nuts?!
  • Temporarily a Villain: In "Operation: H.O.T.S.T.U.F.F." where she becomes a pyrokinetic and turned her house into an active volcano as a side effect of turning up the thermostat.
  • Tender Tears: When not Ocular Gushers, she cries small tears.
  • Trademark Favorite Food: Her favorite snack is popcorn, as shown in "No P in the Ool", "Operation: S.L.U.M.B.E.R." and "Operation: P.L.A.N.E.T."
  • Tsundere: Type B (deredere), meaning she's very sweet and cute... unless someone (usually Numbuh 4) pisses her off.
  • Turn Out Like His Father: Or rather "Turns Out Like Her Mother". While its live-action, her dress and mannerisms as an adult are the spitting image of her mother.
  • Unstoppable Rage: When she goes into Demon Mode, putting on a terrifying Game Face and becomes a Pint-Sized Powerhouse, able to outfight someone like Mr. Boss by herself.
  • Uptown Girl: It's pretty subtle but compared to Wally, Kuki clearly comes from the more financially affluent family of the two with having successful parents (or at least a mother, who is the Head of Accounting at work), and her family lives in a fairly large house with a nice interior while Wally and his family resides in a much smaller house located in a more rundown neighborhood that is next to some electricity pylons. It is noted however that they are not necessarily rich and poor respectively, but more along the lines of upper-middle class and lower-middle class.
  • Verbal Tic: She likes to sing "la la la la la" to herself whenever she's happy.
  • Vocal Evolution: She starts out with a slight Japanese accent, but sounded more and more American as the series went on.
  • We Need a Distraction: Specializes in this when not being The Medic.
  • Wide-Eyed Idealist: She looks on the bright side quite frequently, to the extent of blind optimism.
  • Wide Eyes and Shrunken Irises: With Numbuh 4 when Lizzie accidentally reveals what she actually is.
  • Will They or Won't They?: With Numbuh 4, a lot.

    Numbuh 4
Numbuh Four / Wallabee Beatles (Wally)

"Right, first I'll be cleaning your adult-lovin' prissy little clocks..."

The team's combat specialist. He's incredibly lacking in book smarts, but his combat prowess more than makes up for it. In his off time, he competes in adult disapproved sports.

  • Blinding Bangs: Very rarely do his eyes see the light of day. However, this was averted far more often in later seasons.
  • Blood Knight: He cannot pass up a good fight. Even when he clearly should. He does, however, show reluctance to fight his own friends or family, such as when he found out that his next opponent at the bully fights was his own father, or when he ran into Numbuh 5 as a senior citi-zombie (though her taunting made him angry enough to change his mind).
  • Boisterous Bruiser: Just a touch more heavy on the boisterous than the bruiser. He isn't all talk, but his mouth tends to write checks that his fists can't cash. However, he has proven multiple times that he is very capable of kicking your ass in a fight.
  • Book Dumb: To the extent that he's almost illiterate, though the Distant Finale reveals that he's earned multiple doctorates as an adult.
  • Bratty Half-Pint: At his worst, he can be a pretty insufferable kid.
  • Break the Haughty: Usually when he tries to become The Leader, his anger gets the best of him.
  • Bruiser with a Soft Center: He's violent and aggressive but cries very easily. His tandem Ocular Gushers with Numbuh Three in Operation: F.E.R.A.L. is a good example.
  • Brutal Honesty: Sometimes to the point of being too brutal, making Numbuh 3 cry. Usually, he feels bad about it afterwards and tries to make it up to her. In "Operation: B.U.T.T.", he hammers it in too hard that Numbuh 1 is quitting the team, causing her to burst into tears, so he gets out all her stuffed toys from her room to try and cheer her up.
  • The Bully: Technically, former amateur bully; he rejected their offer to go pro and quit entirely for personal reasons later. (It Makes Sense in Context, seriously.)
  • Butt-Monkey: As the team's hand-to-hand combat specialist, he the most capable when it comes to physical fighting, but is the least intelligent KND operative as shown in several episodes, including "Operation: E.N.D.", "Operation: D.O.G.H.O.U.S.E.", "Operation: S.P.R.O.U.T.", and Operation: Z.E.R.O., which leads to him being easily fooled, and usually selected for dangerous parts in missions.
  • Cannot Spit It Out: He has difficulty admitting his feelings for Numbuh 3.
  • Crazy Jealous Guy: He hates it when other guys show interest in Numbuh 3. This persists into his adult life, as shown in the Distant Finale when he sees Numbuh 2 hugging Numbuh 3.
    "And would you mind hugging your own wife instead of mine!
  • Crouching Moron, Hidden Badass: He can't even spell or count to 3, but he's remarkably cunning, and is definitely the best fighter in Sector V. Even when his memory was gone during "Operation E.N.D." he knocked out Numbuh 274 in one punch. He also single-handedly got the team past the dodgeball obstacle during their mission to find Leona in "Operation F.O.U.N.T.A.I.N."
  • Cry Cute: At the end of "Operation: S.A.F.E.T.Y.", when he thought his baby brother got hurt.
  • Cute Bruiser: Even more so than Numbuh 3, as he also appears to have Super Strength.
  • Didn't Think This Through: In "Operation: P.I.A.N.O." when Sector V is destroying a shipment of mind-control pianos by airlifting them out of a moving truck one by one and feeding them into a grinder, Numbuh 4 decides to speed things up by opening the truck doors while the truck is still driving, and promptly gets crushed by dozens of pianos sliding out the doors.
  • Drill Sergeant Nasty: Any rare moment he gets to be a leader, he becomes this. One scene in "Operation M.I.S.S.I.O.N." shows Numbuh 4 training a group of villains for bowling like boot camp, complete with even wearing a soldier's helmet. He was also a military general in "Operation W.H.I.T.E.H.O.U.S.E."
  • Dumb Muscle: He relies on brute strength and isn't too bright, though he has shown signs of hidden intelligence, such as he realized that he would not be able to use brute force to make a Rainbow Monkey leave the treehouse.
  • Early Installment Weirdness: In the series premiere, the Delightful Children call him "Wallace" instead of "Wallabee".
  • Everyone Can See It: His relationship with Numbuh 3 is obvious to everyone even when he tries to deny it.
  • Everyone Has Standards: Make no mistake, he loves a good fight. But where does he draw the line? Hurting the people he cares about.
    • In "Operation: M.A.T.A.D.O.R.", he enjoyed beating up rabid adults in front of a cheering crowd, but was horrified when he saw that his next opponent was his own dad.
    • In "Operation: Z.E.R.O." he refused to fight the zombified Numbuh 5. That is, until she called him the "weakest, shortest, dumbest, most chicken, big mouth squirt on the entire team".
  • First-Name Basis: With Numbuh 3.
  • Flanderization: In the first two seasons, he wasn't exactly stupid, just very pigheaded with a tendency to do things without thinking them through. By the end of the series, he's borderline illiterate. Though the last episode shows that he's grown up to get a medical degree from Harvard!
  • Four-Temperament Ensemble: Choleric (short-tempered, aggressive, forceful, impulsive, and wants to be the leader)
  • Four Is Death: As the aforementioned team's resident Blood Knight, he is the one who ends up in combat a lot. He tends to be the unluckiest member of the group, yet has his happy moments. In perspective, he is the only member of the KND to not suffer a Gender Bender, except in his hand, (and manages to be the only male by the end of Operation F.U.T.U.R.E.) as well as marrying the girl of his dreams.
  • Future Badass: In "Operation: F.U.T.U.R.E.", he's an old man helping boys fight back against the girls trying to hunt down and turn the boys into girls.
  • Girls Have Cooties: Despite his obvious crush on Numbuh 3, he finds anything girly and romantic gross, especially Rainbow Monkeys. In "Operation: M.O.V.I.E." when he's forced to watch a cheesy Rainbow Monkey movie, he acts like he's being tortured.
  • Good Is Not Nice: While a member of the KND, he can still be a bully befitting his age.
  • Gosh Dang It to Heck!: His constant use of the word "Crud" qualifies as family-friendly swearing.
  • Hair-Trigger Temper: Has a fuse as short as his height.
  • Happily Married: He is shown to end up married to Numbuh 3 in the future.
  • Hot for Teacher: He has a little crush on his teacher Mrs. Thompson.
  • Hot-Blooded: He is always eager to fight.
  • Idiot Hero: The one thing that you could say he and Numbuh 3 have in common is that they're both pretty dumb.
  • Irony: A boy who hates everything girly, has a crush on the Girly Girl of his unit.
  • It's Personal: Says this when King Sandy kidnaps Numbuh 3 in "Operation: B.E.A.C.H."
  • Jerk with a Heart of Gold: Numbuh 4 is the team's bravest, toughest, strongest, fiercest, wildest, most adventurous, dangerous, courageous, and the best fighter in Sector V. He is also the most impulsive, brash, hot-headed, arrogant, ignorant, and harshest of the team but he seems to genuinely care about his friends still, even showing a soft spot for Numbuh 3 and getting emotional when Numbuh 1 leaves to join the Galactic Kids Next Door.
  • Land Down Under: He was born in Australia and moved to the U.S. when he was little. He still has the accent and uses some of the country's slang.
  • Leader Wannabe: He wants to be leader of Sector V and always tries to pounce on the opportunity when Nigel is absent for whatever reason. Unfortunately, he's terrible at being a leader, since the power goes straight to his head.
  • Leeroy Jenkins: Very often in combat will rush into battle without any strategy.
  • Malaproper: Sometimes, usually when he tries to use complicated words.
  • Meaningful Name: Wallabee Beatles — four members of The Beatles [a.k.a "The Fab Four"]. A wallaby is an Australian animal, fitting his heritage. Also, four is considered an unlucky number in Chinese culture and Wally is the unluckiest member of the group.
  • The Napoleon: He's the shortest in the group and the one with the worst temper.
  • Noble Male, Roguish Male: The Roguish Male to Numbuh 1's Noble Male.
  • Oblivious to Love: He doesn't get why Numbuh 3 got so angry when he said he thinks romance is gross and would never fall in love with anyone.
  • Official Couple: With Numbuh 3. They're shown to be married as adults by the end of the series.
  • Opposites Attract: With Numbuh 3. He's a tough guy who loathes girly stuff while she's an endearing girl who can't get enough of Rainbow Monkeys.
  • Papa Wolf: Mess with his baby brother Joey, and you'll wish you were dealing with real wolves.
  • Paper-Thin Disguise: In "Operation: S.L.U.M.B.E.R.", he successfully disguises himself as a girl to get into a girls-only secret mission (actually a slumber party) by wearing two fake braids and a tiny pink dress that doesn't even hide his trademark orange sweater.
  • Precocious Crush: He has a crush on his teacher Mrs. Thompson.
  • Prone to Tears: Despite putting on a tough front, he's actually very sensitive and gets upset very easily. He was left in tears when Numbuh 1 temporarily quit the team in "Operation: B.U.T.T.".
  • Puppy Love: With Numbuh 3.
  • Red Oni, Blue Oni: The red to Numbuh 2's blue.
  • Reformed Bully: Though it isn't shown too often, he tends to bully other kids and feels no remorse for it, even telling nerds it's their own fault for being bullying targets for being so nerdy. He even associates with other bullies at times and is well aware of many bullying techniques. However, he does not engage in bullying kids when he's with the rest of Sector V and there are limits to what he will do to fellow kids and is more than happy to attack other bullies if they cross the line.
  • Ridiculously Successful Future Self: Arguably even more ridiculous than Numbuh 3's. The Book Dumb kid grows up to get a medical degree from Harvard and marry the girl he allegedly doesn't like.
  • Sarcasm-Blind: In "Operation: C.A.N.N.O.N.", he mistook Numbuh 5's sarcasm as an idea for building a clam cannon, rather than a simple joke. As a result, he took his leadership far too seriously, leaving Numbuhs 2, 3 and 5 actually building a clam cannon for a sleepless night. It turned out in poor quality which exploded once the DCFDTL activated it.
  • Screams Like a Little Girl: It's not pointed out specifically, but it's hard to not notice.
  • Screw the Rules, I'm Doing What's Right!: In "Operation: M.A.U.R.I.C.E.", when Numbuh 2 objects to stopping a decommissioned Maurice from getting recruited by the Teen Ninjas, on the grounds that official KND rules forbid interfering with decommissioned operatives' lives, Numbuh 4's response is, "Who gives a crap?! Maurice was our friend!" Numbuh 1 agrees.
  • Sensitive Guy and Manly Man: The Manly Man to Numbuh 2's Sensitive Guy.
  • Set Right What Once Went Wrong: In "Operation: F.U.T.U.R.E.", his future self tries to prevent the reign of Margie from turning most of the world's boys into girls.
  • She Is Not My Girlfriend: To Numbuh 3. Until the Distant Finale, where they are married.
  • Small Name, Big Ego: When it comes to his schoolwork. He thinks he's a genius for making up new and unique ways of spelling the word "Hat".
  • Super Drowning Skills: Can't swim until "Operation: P.O.O.L.".
  • Tank Goodness: In the online game Protect and Swerve, he drives a tank with a mounted cannon called the A.T.O.M.M.I.C.
  • Testosterone Poisoning: Numbuh 4 loves everything violent and/or manly. His idea of quality TV programming consists of muscular men grunting loudly and throwing extremely heavy objects off of tall buildings.
  • Too Dumb to Live: He's usually not bad enough to fall here but Operation O.U.T.B.R.E.A.K. has him actively trying to eat something with coconut, something that causes a bad enough allergic reaction that KND scientists thought it was a virus symptom, and Numbuh 5 remarks that it's happened repeatedly.
  • Unskilled, but Strong: Numbuh 4 isn't the brightest bulb in the box and mostly relies on brute force to get things done, but when there's ass-kicking to be done, he's the best man for the job.
  • Violently Protective Girlfriend: Gender-inverted example: Don't say they're dating, but Numbuh Four is quick to jump to the defense of Numbuh 3, often pushing her out of the way of attacks and getting angered and threatening to beat someone up when she gets hurt or captured.
  • What the Hell, Hero?: Being reckless, aggressive, and short-tempered, he occasionally crosses a line that results in a scolding from one or more of his teammates, though he always makes it right by the episode's end.
    • In "Operation: S.A.F.E.T.Y.", Hoagie scolds him for yelling at his baby brother. In the same episode, Wally himself gives on to the giant safety robot when he thinks the robot hurt his kid brother.
    • In "Operation: M.A.T.A.D.O.R.", he gets an earful from the rest of Sector V for participating in bully fights where innocent adults are captured, pumped full of caffeine to turn them into hyper-aggressive "bulls", and then let loose in the arena to get beaten to a pulp. Wally doesn't listen to them until he finds out that the next opponent he has to fight is his own dad.
  • Why Did It Have to Be Snakes?: He's very afraid of water. Even after he learns how to swim, he still avoids doing it whenever possible.
  • Will They or Won't They?: With Numbuh 3.
  • The Worf Effect: First to charge in, often the first to go down.
  • Would Hit a Girl: Has no qualm over hitting the Opposite!Numbuh 3.

    Numbuh 5
Numbuh Five / Abigail Lincoln (Abby)

Voiced by: Cree Summer

"I like it when things are too easy."

The team's second-in-command, she's the one that keeps a level head under all circumstances, even when everyone else loses it. In her spare time, she's a candy hunter, which brings her in conflict with her rival Heinrich and candy pirate Stickybeard.

  • Action Girl: She's a combat-oriented female, especially when up against Cree.
  • Affectionate Nickname: Is called "Abby" by her sister and others on occasion.
  • Agent Scully: Is usually skeptical toward Nigel's conspiracy theories and will often be wrong.
  • Badass Adorable: Considering that she's just a kid, she can do pretty amazing stuff.
  • Baleful Polymorph: Turned into a were-dog in Operation D.O.G.H.O.U.S.E. by Mrs. Thompson.
  • Berserk Button: She has very little tolerance for Numbuh 2's puns.
  • Bifauxnen: Dressed up in a suit once for a dance.
  • Big Good: In "Operation: I.N.T.E.R.V.I.E.W.S.", it is stated that she became Supreme Leader of the Kids Next Door after Numbuh 362 stepped down from her position.
  • Birthday Hater: "Operation: M.A.U.R.I.C.E." reveals that she doesn't look forward to her birthdays, because every one brings her closer to becoming a teenager who will eventually have to be decommissioned and lose her memories of the KND.
  • Braids of Action: She has long black hair which she keeps in a braid.
  • Brainy Brunette: Not only is she the smartest of her team, but one of the smartest students at Gallagher Elementary School, where she is a honor student.
  • Breakout Character: She went from barely speaking (outside of A Day in the Limelight) in the first season to being pretty much the secondary main character by the time the series ended.
  • Bring It: Her trademark pose.
  • But Not Too Foreign: She's half-French, even though both of her parents are black. It's likely that one or both of her parents could have African and French ancestry (either in France or in an African country that was once under French rule and still has French influence after gaining its independence, like the Cote D'Ivoire [Ivory Coast]).
    • Alternatively her parents are probably Louisiana Creole, which comes from both French and African Heritage
  • Cain and Abel: The Abel to Cree's Cain.
  • Cool Big Sis: She has her moments, but especially "Operation: D.O.G.H.O.U.S.E.".
  • Dark and Troubled Past: She has a lot of baggage in her past, from her sister having a Face–Heel Turn to whatever happened that made Numbuh 1 bald, which may or not be the incident that even Numbuh 86 sympathizes with. That's not even getting into her past with Heinrich.
  • Deadpan Snarker: Speaks the most sarcasm of her friends.
  • Dope Slap: Gives these to Numbuhs 2 and 4 (usually with her hat) if the former makes bad puns or if the latter does something stupid like thinking having all adults (good and bad) wiped out being a good thing.
  • Enforced Cold War: With Cree; both of them have to keep up the act of two loving sisters at home while pointing lasers at each other beneath the dinner table.
  • Everyone Has Standards: As a member of the KND, she will happily fight child-hating and child-oppressing adults, but even she realizes that all adults shouldn't be wiped out.
  • Eye-Obscuring Hat: Her baseball cap is usually tilted downward so that the brim obscures her eyes.
  • Friendly Enemy: To Stickybeard and Heinrich Von Marzipan, though the latter isn't very friendly to her.
  • Friend to All Children: To all younger children anyway, being still a kid herself, but still has shown a few times to be good with giving comforting pep talk to the younger kids she meets.
  • Four-Temperament Ensemble: Leukine (calm, rational, level-headed, and more emotionally balanced than her teammates)
  • Indy Escape: Her candy-hunting adventures are pretty much a huge Shout-Out to Indiana Jones flicks, so she pulls these a lot.
  • Happily Married: To Numbuh 2 in the future.
  • Heroic Sacrifice: In Operation: Z.E.R.O.
  • Hidden Depths: Only Sane Man + Positive Discrimination + My Greatest Failure + My Greatest Second Chance
  • Jetpack: Uses one in "Operation: C.H.O.C.O.L.A.T.E." and "Operation: C.L.O.W.N.".
  • Lady of Adventure: When she's candy hunting.
  • The Lancer: Numbuh 1's second in command and interim leader whenever he's not around. Her style contrasts with his, being more easygoing when there's no threat and more no-nonsense when there is.
  • Little Miss Badass: One of the most action-prone girls in the show.
  • Little Miss Snarker: She's got a snappy comeback ready for just about any situation.
  • Meaningful Name: Abigail Lincoln — has the same initials and last name as U.S. President Abraham Lincoln (A.L.), whose face is on the five dollar bill in American currency.
    • A fridge-brilliant one: Abraham Lincoln's face is also on the penny in U.S. currency. Pennies are worth one cent. Numbuh 5 was once Numbuh 1 of the Kids Next Door.
  • Memento MacGuffin:
    • Her trademark hat was given to her by her older sister, Cree — back when she was a KND operative.
    • In the final episode, Numbuh 1 gives her his sunglasses before he leaves to join the Galactic Kids Next Door.
  • Minidress of Power: Abigail wears a white-striped dark blue shirt dress.
  • My Greatest Failure:
    Numbuh 5: The last time Numbuh 5 didn't help someone kidnapped by the Delightful Children, they did something she can't ever forgive!
    Numbuh 4: What?! What did they do that was so bad?!
    Numbuh 1: ...They made me bald.
  • My Greatest Second Chance: Seeing her Dark and Troubled Past as an opportunity to save a student from the Delightful Children.
  • My Significance Sense Is Tingling:
    Numbuh 5: Something just happened. It's as if million of gallons of ice cream just... disappeared.
  • Nice Hat: Her red cap that her sister gave to her.
  • Noodle Incident: It's mentioned in passing in one episode that Numbuh 5 was once leader of Sector V. She stepped down from the position after some incident, but we never find out why. Other bits point that she couldn't take the stress of full on leadership and that perhaps she accidentally made Nigel the way he is today . She nearly has a panic attack when Nigel reinstates her as leader before he leaves for his galactic mission. He reassures her she always had what it took to lead the group. Considering she would later take over the role of commanding the entire K.N.D, he wasn't kidding.
  • Not So Above It All:
    • During a mission, Numbuh 4 stops to take some candies. Later, she tries to do the same.
    • Despite being the most mature of her teammates, she has her share of childish moments, like when she teases Numbuh 4 over his crush on Numbuh 3.
    Numbuh 4: They've made this personal by taking Numbuh 3!
    Numbuh 5 and Numbuh 2: (smirk at each other) Wally and Kuki sitting in a tree! K-I-S-S-I-N-G!
  • Official Couple: With Numbuh 2.
  • Oh, Crap!: The last line of the G:KND teaser is her reaction to finding out what Numbuh 1 is planning to do to the Earth.
    Abby: (quietly, in a completely stunned voice) Nigel Uno...what have you done?
  • Only Sane Employee: To Numbuh 1.
  • Only Sane Woman: Particularly in The Grim Adventures of The Kids Next Door, where she is the only person in the entire organization who isn't fooled for a second by Mandy's Numbuh 1 disguise.
  • Opposites Attract: With Numbuh 2.
  • Platonic Life-Partners: With Numbuh 1.
  • Precocious Crush: Numbuh 5 obviously has a crush on Maurice/Numbuh 9 though he's only about a year or two older than her.
  • The Quiet One: Especially in earlier seasons, where she would sometimes go entire episodes without a single line.
  • Red Oni, Blue Oni: The blue to Numbuh 1's red.
  • Salt and Pepper: Pepper to Numbuh 2's Salt.
  • Sassy Black Woman: She's very sarcastic, as well as the token black girl of the group.
  • Ship Tease: If you didn't see the hints that Numbuh 2 and Numbuh 5 like each other before they got married in the Grand Finale, watch the series over again. You'll notice a lot of things that you missed the first time around.
  • Shipper on Deck: Ships Wally and Kuki, and frequently, along with Numbuh 2, teases Wally when he gets jealous.
  • Stone Wall: In the online game Protect and Swerve, she drives a tank called the T.A.R.T.; the slowest vehicle, but with the strongest armor.
  • The Snark Knight: Though is obviously nicer than most examples of this trope.
  • Sweet Tooth: All the kids are, but only Numbuh 5 would risk her life in search of legendary sweets. She even has a kinship with Stickybeard.
  • Team Mom: Numbuh 5 has a motherly side to her and acts like a big sister figure to most of her teammates throughout the show.
    Numbuh 1: (extremely tired, but still trying to stay awake) I just have to recalibrate the bioptic...
    Numbuh 5: (dragging Numbuh 1 to his bedroom) Only thing you're recalibrating is your sleep schedule!
  • Third-Person Person: To go along with her cool personality, she refers to herself as "Numbuh 5" in third person, saying "Numbuh 5" rather than "I" most of the time.
  • This Is Unforgivable!: She will never forgives the Delightful Children for making Numbuh 1 bald.
  • Tomboy And Girly Girl: Tomboy to Numbuh 3's Girly Girl.
  • Tomboyish Baseball Cap: Doubles as a Memento MacGuffin.
  • Tomboy with a Girly Streak: She's more boyish than Numbuh 3 several times over, but she acts much girlier around Maurice, on whom she has a crush.
  • Tragic Keepsake:
    • Her red hat was given to her by her older sister Cree when they were in the KND together. Considering their current relationship, it serves as a sad reminder of the happy times they used to have together.
    • In "Operation: I.N.T.E.R.V.I.E.W.S.", Nigel gives her his sunglasses before he leaves to join the Galactic KND, representing her position as the new leader of Sector V.
  • Twofer Token Minority: French and African.
  • We Used to Be Friends: She and Cree had a much better sister relationship when the latter was a member of the KND.
  • Wise Beyond Her Years: Numbuh 5 is described as the intelligent, laid-back, witty, quick-thinking, cool, calm, crafty, clever, responsible, book wise, and streetwise agent of Sector V and the only one with true common sense.

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