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Section about other KND operatives.

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    Numbuh 1-Love 
Numbuh One-Love

Leader of Sector J, a team of Kids Next Door operatives based in Jamaica. Voiced by Keith Ferguson.

  • Crouching Moron, Hidden Badass: In his first appearance, he comes across as just a fun-loving kid who spends all his time partying, but in "Operation I.T." not only is he one of the few operatives who isn't panicking, but the one operative who did try to tag him quickly found himself facing the business end of a S.P.L.A.N.K.E.R. And he does it without bothering to get up from his chair, remove his headphones or even face the unlucky operative.
    Numbuh One-Love: Don't even try it mon.
  • Extreme Omnivore: Eats a pie baked by Lizzie and proclaims it to be good. Keep in mind that earlier, Numbuh 2 (who is himself an Extreme Omnivore capable of stomaching and enjoying the cooking of Grandma Stuffum) was knocked unconscious after taking just one bite from the same pie.
  • Going Commando: "Operation: I.N.T.E.R.V.I.E.W.S." reveals that he and the other members of Sector J don't wear underwear when he explains how they were able to successfully capture a Wedgiesaurus Rex.
  • Shout-Out: His codename is a reference to the Bob Marley song "One Love".

    Numbuh 6 
Numbuh Six / Bradley
Click here  to see R.O.B.O.-B.R.A.D.L.E.Y.

A skunk that Numbuhs 2 and 3 took under their wing since "Operation: C.A.M.P.". After foiling Chester's plan of making a work camp out of an actual kid's camp, he is inducted into the Kids Next Door as an honorary member. After getting critically injured by a truck when attempting to spy on Cree, Numbuh 2 upgrades him into half-skunk, half-robot R.O.B.O.-B.R.A.D.L.E.Y. in "Operation: H.O.S.P.I.T.A.L.". He is voiced by Dee Bradley Baker.

  • Badass Adorable: Especially as Robo-Bradley.
  • Cool Pet: A skunk? Not so much. A robotic skunk with lasers, missiles, and super strength? Yes, please.
  • Cyborg: Is rebuilt into one by Numbuh 2 after taking serious injuries.
  • Happily Adopted: By Numbuhs 2 and 3.
  • Honorary True Companion: After saving the KND from their first encounter with Chester, he becomes Numbuh 6.
  • Killer Rabbit: His diminutive size belies how aggressive he can be. Not as much as his parents though.
  • Ninja Pirate Zombie Robot: How Numbuh 2 describes the result of his operation in "Operation: H.O.S.P.I.T.A.L."
    Numbuh 2: Not just any skunk! I've transformed Numbuh 6 into a half-skunk, half-Kids Next Door operative, half-butt-kicking machine known as... R.O.B.O.B.R.A.D.L.E.Y.!
  • Pet Baby Wild Animal: Adopted out of the wild. Initially seems like a bad idea, but then he saves them all.
  • Ridiculously Cute Critter: Comes with being a baby skunk.
  • Sixth Ranger: Technically, he is this to Sector V, even being designated Numbuh 6. However, he doesn't really appear often enough to quite fit this role.
  • Smelly Skunk: Up to Eleven, since he's just a baby.
  • Team Pet: Before fully becoming a member of the team.
  • We Can Rebuild Him: After being mortally wounded in "Operation: H.O.S.P.I.T.A.L.", Numbuh 2 saves his life by turning him into a cyborg.
  • You Are Number 6: Literally. A number is used as his name and it's six.

    Numbuh 10 
Numbuh Ten

Leader of Sector L and a news anchorman for the KND Nightly News. She is Numbuh 1's cousin who appeared in Operation: COUCH and HOLIDAY. Voiced by Tara Strong.

  • Head-Turning Beauty: Noted by many to be extremely attractive. Even the Galactic KND archives list her as "hawt".
  • Long-Lost Relative: She's Numbuh 1's long-lost cousin.
  • Mistaken for Cheating: Lizzie initially assumed that Numbuh 1 was cheating on her with Numbuh 10 before it was revealed they were cousins.

    Numbuh 13 
Numbuh 13

A member of Sector N who is extremely accident-prone, clumsy and moronic, to the point that his own sector celebrates when he's captured by the adults.

  • 0% Approval Rating: The single most despised member of the KND that isn't an outright antagonist, to the point that Sector V gets him intentionally recaptured by the adults just to get rid of him.
  • Annoying Laugh: As befitting the rest of his personality.
  • The Jinx: Is a bigger threat to his own teammates than any adults.
  • The Millstone: Absolutely useless on missions, and completely clueless about it.
  • "No. Just... No" Reaction: In Operation I.T, he's the only operative who's fine with being "it" and thus the new Soopreme Leader. He's immediatly dogpiled by every other operative there, since him being in charge would get the KND destroyed within minutes, and they'd rather get stuck with the job themselves.
    • The Galactic KND archives just reads "seriously?" when his name is entered. Yes, not even the Galactic Kids Next Door respects him.

    Numbuh 19th Century 
Numbuh Nineteenth Century

A Kids Next Door operative from the 19th century who was frozen because of an ice cream explosion while trying to steal the recipe for the Annoyingly Cute Triplets Who Lived Upon the Hill's birthday cake. He gets thawed out in modern times, but ends up having to be decommissioned because he's technically not a child anymore. Voiced by Dee Bradley Baker.

  • Fish out of Temporal Water: Having been frozen since the 19th century, he's clearly having trouble adjusting to the modern world. Typing his name in the secret password screen of the Rainbow Monkeys website even triggers the message that he "needs to get with the times".
  • Human Popsicle: He was frozen in ice cream until he thawed out in the present day.
  • Opposites Attract: Ends up falling for Numbuh 86, who's a Straw Feminist.
  • Politically Incorrect Hero: As expected from a person who lived during the 19th century, he has outdated views on girls and he doesn't take well to learning that they are allowed in the Kids Next Door, though in his defense, it's mainly because he's concerned about them getting hurt.
  • Stay in the Kitchen: At one point angers Numbuh 86 by ordering her to make him food.

    Numbuh 30 C 
Numbuh 30 C

An operative from Sector H, who masquerades as an arctic expert despite actually being from the Bahamas. The first non-Sector V operative to appear in the series.

  • Meaningful Name: The C in his name stands for celsius, cluing people outside the U.S in that he's not who he says he is.
  • Nice Job Breaking It, Hero!: His interference leads to another Mad Scientist succeeding in his scheme.
  • Poor Communication Kills: Due to a mixup, he was operating under the idea that Sector V was out to sabotage Professor XXX-L's perfect snow cone project, when they were actually trying to defeat a completely different mad scientist working from the north pole (his scheme was to speed up global warming so there wouldn't be any more snow days for kids).

    Numbuh 60 
Numbuh Sixty / Patton Drilovsky

"Numbuh 60 reporting for duty!"

The boy in charge of training new recruits at Kids Next Door Arctic Base, he cuts no slack with new recruits. Voiced by Matt Levin.

  • Dangerous Deserter: With Numbuh 362, the GKND consider them fugitives on the run. Special mention to be made that they consider Numbuh 60 to be especially dangerous.
  • Drill Sergeant Nasty: The kid-friendly version of R. Lee Ermy.
  • Lantern Jaw of Justice: You can see on his picture that he has quite a cleft chin for a kid who's probably around 10.
  • Large Ham: if the following quote is any indication:
    • Numbuh 60: "To the MOOOOOOOON!"
  • Meaningful Name: Patton refers to the famous World War II general. The last name is obvious. His number and first name are also references to the M60 Patton Main Battle Tank.
  • Not So Stoic: Most of the time he's very stern and stoic, but when Numbuh 4 tricks the Toiletnator into going into a cave filled with lions, he thinks it's hilarious.
  • Wise Beyond His Years: Considering how someone his age can give military training to other kids as well as how stern and mature he is most of the time.

    Numbuh 65.3  
Numbuh Sixty Five Point Three / Herbie

"Sir, I needed those official orders signed seventy two point zero berger seconds ago"

A Kids Next Door desk operative who frequently delivers mission specs to Sector V. He works on the Moon Base. Voiced by Dee Bradley Baker.

    Numbuh 74.239  
Numbuh Seventy Four Point Two Three Nine

"If you honor what your friends are fighting for, you'll make that sacrifice."

A high-ranking Kids Next Door scientist. His technology is what keeps the KND running. Voiced by Dave Wittenberg.

  • Alien Among Us: A member of the Galactic Kids Next Door, his human form simply being some sort of disguise.
  • Ambiguously Evil: With all the subterfuge and behind the scenes manipulation, it's hard to know what he's up to. In the April fools teaser the GKND all advocate for destroying Earth, Chad advocates for saving it, whilst 74.239 simply states that it's Numbuh 1's decision.
  • Ambiguously Human: The Grand Finale of the original series reveals he works for the Galactic Kids Next Door, but it's not stated whether or not he's human. The teaser for Galactic Kids Next Door shows he's actually an alien.
  • Consummate Liar: It is hinted, he is telling Numbuh 1 half-truths and lies just to cover up the Galactic Kids Next Door's villainy and true motives.
  • Mad Scientist/The Smart Guy: Is one of the leading science officers for the Kids Next Door, and apparently was the main tech guy for the Galactic KND before being assigned to observe Earth.
  • The Man Behind the Man: Part of the "splinter cell".
  • Plant Aliens: His true form is an alien resembling a small tree.
  • Manipulative Bastard: Along with Numbuh Infinity, he is manipulating Numbuh 1 into joining the GKND and become a pawn in their plans to rid the universe of all adults.
  • Reasonable Authority Figure: He's the only one of the Galactic KND who vouches Numbuh 1 during his trial in the April Fools trailer.
  • Teleportation: In "Operation: I.N.T.E.R.V.I.E.W.S.", it's revealed he can teleport himself and others by picking his nose and shaking hands with someone after doing so if he intends to bring someone with him.
  • TV Genius: Large vocabulary, nerdy traits, a bit eccentric. He certainly qualifies as a stereotypical genius.
  • Walking Spoiler: Whilst he was a semi-important recurring character for most of the series, it's through him we learn more about the Mysterious Splinter cell. Then comes his brief appearance in the April fools trailer, and what we learn from there changes everything.

    Numbuh 83 
Numbuh Eighty Three / Sonia

"What? I don't like the dark."

A young, new operative and only female member of Sector W. She went through her KND operative training with Tommy and Lee. Voiced by Janice Kawaye.

  • Adorkable: Comes with being a very young KND operative.
  • Berserk Button: If she's exposed to dark places for too long, she will unleash a fit of rage.
  • Beware the Nice Ones: Timid and kind-hearted, but if she's exposed to her fear of the dark, she goes absolutely berserk.
  • Cowardly Lion: Despite being timid and deathly afraid of the dark, she's the one who actually convinces Tommy and Lee to help stop Father from stealing the Code Module rather than escape.
  • The Cutie: She's an endearing little girl.
  • First-Name Basis: She and Lee address each other by their first names.
  • Only One Name: Only her first name is known, which is Sonia.
  • Primal Fear: She's terrified of the dark and will not go into the dark so easily.
  • Ship Tease: She and Lee/Numbuh 84 are often teased as being a couple.
  • The Smurfette Principle: She is the only female member of Sector W.
  • What the Hell, Hero?: She rightfully calls Numbuh 363 out on being more concerned about winning the scavenger hunt than being saved by Sector V.
  • Why Did It Have to Be Snakes?: Is scared of the dark, but keep her in it for too long, though, and she'll kick your butt for it.

    Numbuh 84 
Numbuh Eighty Four / Lee

"That was most invigorating."

A young, new operative and member of Sector W. He went through his KND operative training with Tommy and Sonia. Voiced by Janice Kawaye.

    Numbuh 86
Numbuh Eighty Six / Fanny Fulbright

"Of all the stupid things in the stupid world of stupid people acting stupid, you boys are the stupidliest! It's like you're trying to win a stupid contest but you're too stupid to take a stupidity test!"

The former Head of Decommissioning and current Global Tactics Officer. She's a shrill girl with a particular intolerance for the male sex. But due to her behavior, she has next to no friends. Voiced by Jennifer Hale.

  • Action Girl: As is standard for female KND operatives, she's a girl who's excellent in combat.
  • Alliterative Name: Fanny Fulbright.
  • All Amazons Want Hercules: Even though she's a boy-hating Straw Feminist, she has a notable attraction to strong macho anti-feminine boys like Numbuh 19th Century and even admitted she had a crush on Numbuh 4 before trying to have him decommissioned with a Luminescent Blush.
  • Became Their Own Antithesis: She used to be completely boy-crazy, then something happened to her that made her hate all boys with a passion.
  • Belligerent Sexual Tension: With Numbuh Ninteenth Century, despite her hatred of boys, alternating between trading insults and privately kissing him.
  • Berserk Button: Saying anything bad about girls around her is a big No-No.
    • Also don't ever call her "Toots", as Numbuh 2 learned the hard way in "Operation: P.I.N.K.-E.Y.E."
    • Do not manipulate Fanny into doing your dirty work. Chad found that out the hard way when 86 immediately directed her squad at him after she found out about his little plan, and he would've been decommissioned if it hadn't been for Cree.
  • Break the Haughty: Some of her successive appearances have her dealing with the problems caused by her bad attitude, such as the fact that she has no real friends and that Numbuh 362 doesn't seem to like her very much.
  • Cool Helmet: A samurai-esque Bucket Helmet affair made of a colander and some padding.
  • Daddy's Girl: She has a very close relationship with her father, to the point where they're the Father/Daughter version of Sickeningly Sweethearts.
  • Daddy's Little Villain: Inverted. She's Mr. Boss's (who leads the bad guys) daughter, but while she's extremely unpleasant and feared by everyone, she's still one of the good guys' leaders.
  • Does Not Like Men: Early on, she treated boy incredibly harshly, blaming them for everything that goes wrong while giving any girl respect and accolades even if they've done nothing to deserve them. Apparently, it was because she really hates her brother. Her later characterization is more that she's a bitch to most of the operatives, regardless of gender.
  • Drill Sergeant Nasty: In a way, she's like a belligerent and intimidating military commander.
  • Embarrassing First Name: Her first name is actually Francine, but everyone calls her Fanny.
  • Easy Amnesia: In the comic story "Operation: F.O.R.G.E.T.", a mishap with the decommissioning machine turns her back to her previous, pre-KND self, making her want to hug and kiss every boy she sees. She only turns back to her old self when Numbuh 4 beans her in the head with a watermelon.
  • Everyone Has Standards: She really hates boys, but she held at least some level of respect for Maurice. "Operation: M.A.U.R.I.C.E." showed that she was genuinely saddened when she had to decommission him and even cried when she had to do so.
  • Fiery Redhead: She has red hair and is ill-tempered.
  • The Friend Nobody Likes: Due to her unpleasant boy-hating attitude, nobody in the KND seems to tolerate her. It's only until "Operation S.L.U.M.B.E.R." that Numbuhs 12 and 3 decide to befriend her.
  • Freudian Excuse: Implied in comic "Operation F.O.R.G.E.T.". After she accidentally gets decommissioned, she's shown to be a boy-loving maniac. This hints that her Straw Feminist attitude was caused by a particular Noodle Incident.
  • Girls Love Stuffed Animals: She loves Rainbow Monkeys as much as Numbuh 3, if not moreso, but keeps it a closely guarded secret.
  • Good Is Not Nice: She is extremely unpleasant and very difficult to be around, let alone work with. But she's still a KND Operative.
  • Hidden Heart of Gold: She keeps it very well hidden.
  • Jerkass: Later went from disliking boys to a just plain jerk to everyone.
    • Before wrongfully decommissioning numbers 2-5, she was pretty sadistic towards them, mockingly telling them they had no way to escape and when the process was done, they'd have no memories of the KND, their adventures, or friends. She even laughed as the process was taking place!
  • Jerk with a Heart of Gold: She isn't unreasonable; after Chad's treachery was revealed, she immediately sought him out for decommissioning and apologized to Sector V after the crisis was over, even getting them recommissioned as thanks for their aid.
  • Karma Houdini: The worst Numbuh 86 gets is being chewed out for an apt failure and her own bouts of stupidity, or personally humiliated for a comedy gag. This in spite of the fact that some of the consequences of her actions nearly allow Chad to decommission innocent operatives without consequences, or numerous other incidents that occur from her impulsive, reckless and often times downright stupid behavior that would get most other operatives decommissioned or at least severely punished.
  • Laser-Guided Karma: In her debut episode, she spends most of her time chewing out the boys of Sector V for her own mistakes. At the end of the episode, it was a girl doing this to her.
  • Little Miss Badass: She's every bit as competent as her position suggests.
  • The Load: Her debut episode saw her more of a hindrance to Sector V in their pursuit for the fugitive operative due to her incessant nagging and putting down on the boys.
  • Meaningful Name: As stated below in Unfortunate Name, Fanny can mean butt, as well as being a piece of incredibly vulgar slang, both unfortunately befitting her... abrasive personality.
  • The Medic: A flashback to Numbuh 5's second Mission shows 86 wearing hat with a cross and checking on the injured. How she went from a medic to head of decommissioning is not explained.
  • Morality Pet: She is Mr. Boss's daughter and his love for her and his other children is his most notable redeeming quality.
  • Never My Fault: Her introduction episode, in which she never takes responsibility for her own blunders that wound up hampering Sector V's efforts for the mission. Thank goodness karma kicked in when the spy she thought she captured turned out to be an undercover agent (Numbuh 362 in fact), whose mission was ruined by 86; she gets harshly chewed out for it. (For added irony, throughout most of the episode she was putting down the boys in the group for the most minor screw ups. End of the episode saw a girl doing this to her.)
  • No Indoor Voice: She yells quite often.
  • Noodle Incident: According to a canon comic, whatever made her hate boys happened after she became an operative.
  • Oireland: She has an Irish accent and red hair, both of which she shares with her brothers.
  • OOC Is Serious Business: During the episode "Operation: M.A.U.R.I.C.E.", Number 86, a known boy hater who is really dedicated to her job of hunting down all KND operatives who have turned thirteen and decommissioning them, is polite and nice at Maurice's decommissioning. Justified, because a flashback implies that Number 86 was friends with or at least admired Maurice. Also, Maurice, unlike the other operatives she hunted down, did not betray the Kids Next Door and accepted his fate.
  • Outnumbered Sibling: She has two brothers and no sisters.
  • Pet the Dog: In episode "Operation: M.A.U.R.I.C.E.", during Maurice's decommissioning, Number 86 a known boy hater who is dedicated to her job of hunting down all KND operatives who have turned thirteen and decommissioning them, is polite and nice at Maurice's decommissioning, even crying when he is decommissioned.
  • Peek-a-Bangs: Sometimes, her hair covers one of her eyes.
  • Punny Name: She's head of decommissioning and "to eighty-six" means to eliminate/kick out or (for restaurant cooks) to take something off the menu.
  • Reality Ensues: Because of her abrasive attitude, she is not well liked in the KND and doesn't have many friends. When her mother makes her throw a slumber party, she can only get four other operatives to come.
  • Reassigned to Antarctica: It is implied that she is in charge of decommissioning because she is already unpopular among other KND agents.
  • Redhead In Green: She has red hair and her usual attire is a green sweater.
  • Riddle for the Ages: What happened to her that made her hate boys, and how did she go from a medic to head of decommissioning for the KND?
  • Shout-Out: She's very likely a Shout-Out to iconic James Bond-villainess Rosa Klebb/Number Three from From Russia with Love - another high-ranking red-headed man-hating operative with a grating accent and a grudge against a suave British agent.
  • Sour Outside, Sad Inside: She puts up a rude and aggressive front, but "Operation: S.L.U.M.B.E.R." implies that she's actually sad and lonely.
  • Tomboy and Girly Girl: The tomboy to Numbuh 3's girly girl (Loud, mean and violent Fanny vs cheerful, sweet, bubbly Nice Girl Kuki)...
    • but the girly girl to Numbuh 5's tomboy (Fanny who acts mean but has a lot of hidden girly traits and HATES boys vs Abby who doesn't like many girly things and is One of the Boys).
  • Tomboy with a Girly Streak: As much as she tries to hide it, she's a real girly-girl who loves Rainbow Monkeys even more than Numbuh 3.
  • Too Dumb to Live: She's really dedicated to her job, so much so that it blinds her to the most obvious points of logic. Such as in "Operation E.N.D.", when she is sent to capture and decommission Sector V based on the fact the computer says they're turning 13. Numbuh 1 points out they're in the same age group, they even went to kindergarten together. But nope, if the databanks says they're teens, it must be true! No point in questioning it ...that is, until she realized the truth after she sees an invitation to Numbuh 274's thirteenth birthday party that Numbuh 1 happened to receive earlier in the episode.
  • Unfortunate Name: Her first name, "Fanny", is a mostly inoffensive term for "buttocks" in the US, and was probably meant to just be an Embarrassing First Name. However, in the UK, Ireland, and some other places, "fanny" is a vulgar slang term for the female genitalia. And she's from Ireland, or at least has an Irish mother, so her having such a name is quite baffling.
  • Why Did It Have to Be Snakes?: She is deathly afraid of toenail clippings.
  • Yank the Dog's Chain: In "Operation: S.L.U.M.B.E.R.", she becomes friends with Numbuh 12 during their slumber party, but it turns out that Numbuh 12 is actually a traitor and is just using her to get the KND Code Module for the teens.
    Numbuh 86: Numbuh 12... (a background appears behind her filled with broken hearts) ...why?!
  • Youthful Freckles: She's a child with freckles.

    Numbuh 362
Numbuh Three Sixty Two / Rachel T. McKenzie

"As Kids Next Door Soopreme Leader, I hearby order you to... go long!"

Originally the top spy in the KND, she is now its current Soopreme Leader. Due to her busy and demanding job, she's often stressed, but at heart she stands stubbornly for the rights of kids everywhere, and if the situation arises she can be fun-loving too. Has grown to form a close friendship with Nigel Uno. Voiced by Rachael MacFarlane.

  • Action Girl: In her day, she was the top operative in the KND. She's still no slouch, but her desk job has diminished her just a little.
  • Affectionate Nickname: She tends to call Numbuh 1 "Soldier" a lot.
  • Arbitrary Skepticism: Despite living in a world with Bamboo Technology, giant robots, and super-powered villains, she doesn't believe that Numbuh Zero exists. Until the end of Operation: Z.E.R.O., of course.
  • Authority Equals Asskicking: As shown in "Operation: I.T." and Operation: Z.E.R.O..
  • Big Good: Her "Soopreme Leader" status really means something.
  • The Chains of Commanding: What kick-starts "Operation: I.T.". Fed up with the constant pressure and having to put up with the needs of her subordinates, she decides to resign from her position.
  • Closet Geek: Calls Dr. Time Space and the Continuums an awesome show in Operation: "G.I.R.L.F.R.I.E.N.D."
  • Cool Helmet: A samurai-esque Bucket Helmet is what she wears.
  • Dangerous Deserter: With Numbuh 60, the GKND consider them fugitives on the run. It is implied that a search is underway for her.
  • Dogged Nice Girl: Implied to have an unrequited crush on Numbuh 1.
  • Horrible Judge of Character: She's usually shown to be a competent leader, but failed to keep her younger brother Numbuh 363 in line even when the little brat was being an obnoxious jerk to other KND operatives right in front of her.
  • Idiot Ball:
    • "The Grim Adventures of the KND" for Rule of Funny has her easily deceived by Mandy and Billy's Numbuh 1 disguises no matter how obvious it is that they're impostors. Granted, practically everyone barring Numbuh 5 fell for it as well.
    • Operation: Z.E.R.O. too, when the KND museum was under attack. Sector V was the closest. She ordered them to come back to the base which was also under attack but Nigel refuses till the museum was safe. Once Sector V did that as well as save the base single-handily, she chews out Nigel for disobeying orders. She does apologize later though once Grandfather is defeated, admitting if she had listened to him before, the whole mess would've never happened.
  • I Just Want to Be Normal: In "Operation: I.T.", she expresses a desire to not be Soopreme Leader and live a normal life. To be fair, in her world being normal means spending all day doing whatever you want in a giant treehouse and going on exciting missions.
  • Implied Love Interest: To Numbuh 1. The amount of Ship Tease between them suggested a romantic interest between them, but it was never made explicit. That being said, it should be noted that the episode where most of the Ship Tease happened was also the episode where Lizzie, Nigel's official love interest, broke up with him.
  • Little Miss Badass: She's a young girl and the one in charge of Kids Next Door.
  • Locked Out of the Loop: In Operation T.R.E.A.T.Y., Chad makes it clear that she’s unaware of the existence of the Galactic Kids Next Door.
  • Meaningful Name: She's two numbers off from 360, a full circle. As in the KND revolves completely around her.
  • Mundane Made Awesome: Defeats Father by eating through a wall of broccoli in "Operation: I.T.". Though to be fair, broccoli does seem to be some kind of universal kryptonite in the show.
  • Number Two: She was second-in-command to Chad (up until his defection in "Operation: E.N.D.")
  • Reasonable Authority Figure: She usually knows the right thing to do and at one point chews out Numbuh 86 for being abrasive to everyone.
  • She Is the King: All of her subordinates always address her as "sir."
  • Ship Tease: She is teased as being interested in Numbuh 1 in "Operation: I.T." and (more explicitly) in "Operation: G.I.R.L.F.R.I.E.N.D.".
  • Simple Staff: A yield sign with a boxing glove at the opposite end in Operation: Z.E.R.O.
  • Team Mom: She's barely older than Numbuh 1 and younger than Numbuh 5, but acts like a maternal figure towards the entire organization:
    Number 362: I don't care what level you're on, Number 105, put that video game down, and find out what Knight Brace is doing in Poughkeepsie! Would you guys mind playing Whizbee on the Whizbee deck and not on my bridge?!
  • Took a Level in Badass: While she was by no means unbadass before, in Operation: I.T. she's a little out of practice in hand-to-hand combat. Then in Operation: Z.E.R.O....
  • Wise Beyond Her Years: Being the one in charge of the whole organization, it's expected that she's mature and intelligent for her age.
  • Weaksauce Weakness: Broccoli, but she eats her way through it and force-feeds Father some.
  • You Have Failed Me: A non-fatal example. After Sector V fails to abscond the Delightful Children's birthday cake one too many times, she reassigns the task to her little brother Numbuh 363 (who currently has the highest mission success rate in the KND) and firmly tells Numbuh 1 he's off the case.

    Numbuh 363
Numbuh Three Sixty Three/Harvey McKenzie

"Don't touch me! Don't ever touch me!"

Numbuh 362's younger brother and the leader of Sector W. Unfortunately, he is not very nice to them. Voiced by Jennifer Hale.

  • 0% Approval Rating: No one, except for his sister, likes him, not even Sector V. His own teammates even get fed up with his attitude.
  • All for Nothing: He is made leader of Sector W by his sister and given the mission to retrieve the Delightful Children's cake in place of Sector V. His reward? Losing the scavenger hunt Numbuh 74.239 set up and getting decommissioned a month later.
  • Ascended Extra: He went from having a small role in Operation: Z.E.R.O. to having a larger one in the Grand Finale.
  • Bad Boss: He isn't very nice to the other members of his sector.
  • Berserk Button: Whenever someone touches him, he loses it.
  • Bratty Half-Pint: It goes without saying that this little kid is an obnoxious and ill-mannered asshole. Justified, since he's seven years old.
  • The Bully: He picks on the other members of Sector W when they refuse to follow his orders.
  • Cool Helmet: He wears an impressive Bucket Helmet like his older sister.
  • Dirty Coward: He was perfectly willing to leave Sector V at the mercy of Father if it meant winning the scavenger hunt and getting the Delightful Children's birthday cake.
  • Establishing Character Moment: The instant he reappears in the finale, he is shown to be a Bratty Half-Pint, though his debut in Operation: Z.E.R.O. also had him showing shades of being an unpleasant brat.
  • Foil:
    • To Numbuh 1. They're both leaders of their own sectors. Unfortunately, while Numbuh 1 is a Benevolent Boss, Numbuh 363 proves to be a Bad Boss to his only two operatives.
    • He is also this to Numbuh 86, as both are unpleasant and rude. However, while Numbuh 86 is more of a Jerk with a Heart of Gold, Numbuh 363 lacks the heart of gold.
  • Good Is Not Nice: Even though he's a KND operative, he is more unpleasant than Numbuh 86 and egotistical to boot.
  • Hate Sink: Unlike most of the characters on the show, he is hated both in-universe and out for his selfish, insufferable attitude towards Sector V and how he treats his own sector badly. Heck, he even makes Numbuh 86 seem nice by comparison! It's SO satisfying that Numbuh 84 stuffs his yo-yo in his mouth. Heck, he even gets decommissioned the following month.
  • Hates Being Touched: His number one weakness is that he really doesn't like being touched.
  • Humiliation Conga: Loses the scavenger hunt Numbuh 74.239 set up to retrieve the cake. According to adult Numbuh Five, he was also decommissioned not only because of his bad behavior, but because he freaked out whenever someone touched him.
  • Insufferable Genius: Possibly. He is an egotistical little brat, but he's the leader of the sector with the highest mission success rate in the entire Kids Next Door. However, this could mean that it's his team members who are efficient at completing missions, not him.
  • It's All About Me: His selfishness is evidenced by his tirade on how every operative will ask for his autograph. He even says he is the future of the Kids Next Door.
  • Jerkass: Badmouths Sector V right in front of his sister during his Establishing Character Moment, but she does nothing about it. He later competes in the scavenger hunt to not only win the cake, but seemingly also just so he can beat and humiliate Sector V.
  • Jerkass Has a Point: Even though he insults Sector V for their failure to retrieve the cake, he is right about them screwing up. He even says that his sister thinks they're getting "too old" to handle the big missions.
  • Kids Are Cruel: Without question the meanest Kids Next Door operative shown in the series.
  • Laser-Guided Karma: After losing the scavenger hunt, he also loses his position as leader of Sector W and gets decommissioned for his bad behavior.
  • Last Episode, New Character: Made his first proper appearance in the series finale, "Operation: I.N.T.E.R.V.I.E.W.S."
  • The Rival: To Numbuh 1 in his mission for the Delightful Children's cake.
  • Reality Ensues: Needless to say, having a connection to the higher command of the K.N.D means nothing if everyone in the organization hates your attitude, you put your team in unnecessary danger, and promptly keep flying off the handle just for being touched. Ultimately, he ended up decommissioned not a month into his tenure because no one can take his brattiness anymore.
  • Screw the Rules, I Have Connections!: He thinks that because he is Numbuh 362's brother means he has to be treated with respect. Heck, Numbuhs 1 and 4 are restrained by their peers from attacking him because of his connections!
  • Token Evil Teammate: Or rather leader of Sector W. Not necessarily evil, but a Jerkass who belittles others.
  • Ungrateful Bastard: Rather than thank Numbuh 1 for saving his life, he celebrates his victory about Father's pipe. This is the last straw for Numbuh 83 since he nearly got his team killed over trying to get it and had to be bailed out by Sector V (who despite having replaced them for the cake mission, have experience in dealing with Father). She promptly calls him out over it, takes the pipe and hands it over to Sector V to complete the hunt.
  • Youthful Freckles: He has freckles to demonstrate his immaturity.

    Numbuh Infinity 

"Mr. Uno will find out what he's been chosen for in due time..."

A high ranking KND official whose first and only appearance is in the penultimate episode, Operation T.R.E.A.T.Y. He sets up the treaty intended to stop the hostilities between the KND and the Teenagers, which turns out to be a trap by the Teenagers. Due to him having Numbuh 1 arrested along with 274, the rest of Sector V believes him to be a traitor to the KND. He is eventually revealed to have been fooled as well. He is in fact a member of the splinter cell, and liaison to the Galactic Kids Next Door. Voiced by Phil Lamarr.

  • Alien Among Us: Entering his name into the galactic database for the GKND ARG displays "Earth Missioned [sic] Complete", the same as Numbuh 74.239. This hints that he, too, is actually a Galactic Kids Next Door operative.
  • Ambiguously Human: Given that Numbuh 74.239 isn't human, there's a good chance he isn't as well.
  • Expy: His appearance, plus his connection to the Galactic KND, all bring to mind Agent J from Men in Black.
  • Sophisticated as Hell: His response to Numbuh 48 Flavor's plan to rip the ship they are currently on in two, where nearly every KND operative and teenager on the planet is?
    (straightens tie) This calls for some diplomacy. (clears throat) GET 'IM! (points at 48 Flavors as 4/5ths of Sector V charges)
  • Walking Spoiler: His appearance in the show closes several important plotlines and introduces the finale. Heck, some of the trope names are spoilery by themselves.

The following character's existence was revealed in the GKND teaser video. Spoilers are unmarked.

    Numbuh Vine (MASSIVE SPOILERS!)
Numbuh Vine/Numbuh C55H72O5N4Mg/ Elizabeth "Lizzie" Devine

A botanical alien, and an operative of the Galactic Kids Next Door organization. She's first seen contacting Numbuhs 3 and 4 in the GKND teaser video to warn them about an impending threat to Earth.

...And then her human disguise accidentally activates, revealing that Numbuh Vine is the true form of Lizzie Devine. Thus, everything you thought you knew about Lizzie is flipped completely on its head.

  • Aliens Among Us: Throughout the whole series, Lizzie was an alien masquerading as a human. This was hinted at in the Galactic Kids Next Door ARG Database, where entering Lizzie's name returns the message "Earth Mission Complete," the same as Numbuh 74.239 and Numbuh Infinity, both of whom are confirmed liaisons to/members of the Galactic Kids Next Door, and the former of whom is a Plant Alien. The teaser video confirmed it when Numbuh 3 and Numbuh 4 witness Numbuh Vine's Lizzie disguise being activated by mistake.
  • Alien Lunch: This actually explains her Lethal Chef tendencies, as, being an alien, whatever she cooks would taste weird or make humans sick.
  • Badass Normal: Provides a subversion for Lizzie. She's both a high-level operative and an alien when she appeared to just be a normal human in the original series.
  • Becoming the Mask: One possible way to interpret her leaking the GKND's plan to Numbuhs 3 and 4, depending on whether you think she was aware of the possibility of Earth's destruction before she was sent down to the planet in the first place and whether you think she's grown to like the human species/the Earth KND or if she was always a little more considerate than her fellow GKND operatives.
  • Canon Character All Along: She and Lizzie are the same person.
  • Foreshadowing: Lizzie's negative counterpart, Eizzil, worked with the DNK. As it turns out, Lizzie had actually been a KND operative the whole time (just not one from Earth).
  • Interspecies Romance: Her relationship with Nigel retroactively qualifies as being between individuals of different species, since Nigel is human and she's actually a plant alien..
  • I Want My Beloved to Be Happy: Possibly provides a subversion for Lizzie. With the revelation of Lizzie's true nature as a GKND operative, it's likely that her romance with Nigel was all a test to confirm his absolute loyalty to the KND and that she "broke up" with him because she had successfully determined that he does prioritize the KND above all else.
  • Lethal Chef: Provides a justification for Lizzie. Since she's an alien plant who would nourish herself in a completely different way than humans do, she'd naturally be terrible at preparing human food.
  • Let's Get Dangerous!: Provides a justification for Lizzie. Since GKND operatives are the best operatives from their respective planets, she was always a badass in disguise.
  • The Load: Provides an extreme subversion for Lizzie. Since she was a GKND operative the whole time, any appearance of uselessness was faked.
  • Meaningful Name: She's a plant, and her disguise name is Lizzie Devine. Even deeper, "Numbuh Vine" is just a nickname for ease of calling - her actual designation, Numbuh C55H72O5N4Mg, is comprised of the chemical formula for chlorophyll. This means "Devine" is actually a "kidified" pronunciation of "The Vine", very similar to the KND's convention of codenames being "Numbuhs" instead of "Numbers".
  • The Mole: She leaked the Galactic Kids Next Door's plans to Numbuh 3 and Numbuh 4, for the sake of Earth's safety.
  • Mondegreen: Lizzie Devine. Lizzie the vine.
  • Obfuscating Stupidity: It is extremely likely that everything she did as Lizzie was some kind of act — indeed, her position as the girlfriend of a galactic operative candidate may have been a way of determining where Nigel's loyalties lied. Her surname is a massive hint of this — Devine is already a semi-common given name in reality, and typically, when used as an indicative name, it hints at a character with celestial leanings, megalomania, or astronomical ego. No one would even think of its true pun and meaning if they didn't already know her secret.
  • Plant Aliens: She resembles a potted plant turned upside-down, and her full numbuh is the chemical formula for chlorophyll.
  • Punny Name: Lizzie Devine? More like Lizzie The Vine.
  • Stealth Pun: She was a plant, in both the espionage sense and the literal sense.
  • Token Good Teammate: The Galactic Kids Next Door teasers heavily imply that the titular organization would be the series's collective Arc Villain. She risked her stem leaking their Evil Plan to Sector V.
  • Walking Spoiler: It's pretty much impossible to say anything at all about Numbuh Vine without revealing something. Her being the true identity of Lizzie is the big one, though, as it will completely change how you look at the character.

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