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!!Mr. Charlie Chan
->''"Advice after a mistake is like medicine after the funeral."''

The one and only Detective Chan. Usually picks up on the clues his children miss.

%%* BadassMustache
%%* TheExoticDetective
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Leukine
%%* [[GoodParents Good Father]]
%%* GreatDetective
%%* SharpDressedMan
%%** NiceHat
%%* TeamDad

!!Henry Chan
->''"Well, gang, it's up to the Chan Clan now."''

Mr. Chan's oldest son and the natural leader of his siblings. A hard worker and a thoughtful brother and son, but somewhat uptight.

%%* AllDrummersAreAnimals: Subverted
%%* BadassDriver
* {{Catchphrase}}: "Will you take off that stupid disguise?"
%%* [[CoolBigSis Cool Big Bro]]
* DeadpanSnarker: In response to Stanley's antics.
%%* FemaleGaze
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Choleric/Melancholic
%%* TheHero
%%* [[StraightManAndWiseGuy The Straight Man to Stanley's Wise Guy]]
%%* TeamDad
* {{Tsundere}}: Mild Type A where Stanley is concerned.

!!Stanley Chan
->''"Wham bam, we're in a jam!"''

The second oldest and Henry's partner in solving capers. Though he takes his work seriously you'd never know it with all his silly jokes and disguises.

* AttractiveBentGender: And how!
* BigEater: Implied.
%%* TheBigGuy
* {{Catchphrase}}: "Wham bam, we're in a jam!"
* [[CosplayOtakuGirl Cosplay Otaku Boy]]
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Sanguine
* TheKlutz: Isn't famous for it like Nancy is, but still manages to trip over or into things quite a bit.
* TheLancer: To Henry.
%%* LargeHam
%%* MasterOfDisguise
%%* PluckyComicRelief
* SoUnfunnyItsFunny: His corny jokes.
* [[StraightManAndWiseGuy The Wise Guy to Henry's Straight Man]]

!!Suzie Chan
->''"We're gonna find it a good home. Where the people won't lock it in closets like Mr. Snively did!"''

The oldest of the girls. A sweet and even-tempered young lady with some bite to her.

%%* TheChick
%%* CoolBigSis
* DeadpanSnarker: Sometimes.
* {{Expy}}: Suzie has often been compared to [[ScoobyDoo Daphne Blake]] in terms of appearance and temperament. The only difference is that Suzie is somewhat more savvy, so she isn't shoehorned into the DistressedDamsel role the way poor Daphne was.
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Phlegmatic
%%* FriendToAllLivingThings
* HairDecorations: Her headband.
%%* [[TomboyAndGirlyGirl The Girly Girl to Anne's Tomboy]]
%%* TheHeart
%%* ShesGotLegs
%%* SilkHidingSteel
* TeamMom: Sometimes.

!!Alan Chan
->''"I'm hip!"''

The technological genius of the Chan Clan, and the most laid back of the kids. Teases Anne constantly, but is shown to have affection for her.

* AsianAndNerdy: Not as much as Tom, though.
%%* CoolShades
* FashionDissonance: Uh... nice suit, huh.
** Forget it, Jake, it was TheSeventies.
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Sanguine
* GadgeteerGenius: He built the [[CoolCar Chan Van]].
* RealMenWearPink: And purple, too.
%%* TheSmartGuy
%%* TeenGenius
%%* [[TranslatorBuddy Translator Brother]]: For Tom.

!!Anne Chan
->''"'''And''' the women!"''

The tomboy daughter and feminist of the Chan Clan. Often clashes with Tom and Alan, but they're all quite close nonetheless.

* BrainsAndBrawn: The Brawn to Tom's Brains.
%%* DeadpanSnarker
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Choleric
%%* HotBlooded
%%* JodieFoster
%%* NiceHat
%%* PluckyGirl
%%* SheCleansUpNicely
%%* {{Shorttank}}
%%* SixthRanger
%%* [[TomboyAndGirlyGirl The Tomboy to Suzie's Girly Girl]]
* {{Tsundere}}: Mild Type B.
* YouGoGirl: Not to the extremes, though.

!!Tom Chan

The intellectual of the Chan Clan. Like Alan, he's prone to busting his sister's chops now and then and is often distracted on the job by his scholastic findings.

%%* {{Adorkable}}
%%* AsianAndNerdy
* BrainsAndBrawn: The Brains to Anne's Brawn.
* ComplexityAddiction: His suggestion of catapulting themselves over a wall when ''the gate was open'', among other things.
%%* EncyclopaedicKnowledge
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Melancholic
%%* {{Megane}}
* SesquipedalianLoquaciousness: SO much.
%%** LittleProfessorDialog
%%* TheSmartGuy
%%* SugarAndIcePersonality
%%* TeenGenius

!!Flip Chan
->''"What'd I tell ya, Pop? Like knocking over a piggy bank."''

The oldest of the four youngest, and the most gung-ho about helping his father.

%%* AdorablyPrecociousChild
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Choleric
* GenreSavvy: He certainly knows a lot of the lingo and is said to watch a lot of detective movies.
%%* HotBlooded
* KidDetective: The one who jumps at the mystery call fastest among the younger kids.
* LeeroyJenkins: Prone to leaping before he looks.
%%* NiceHat
%%* SnoopingLittleKid

!!Nancy Chan
->''"Chu-Chu! That's no way to treat a guest."''

The second oldest of the youngest. Clumsy, chubby and a little easily scared, but just as invested in solving mysteries as her siblings.

%%* BigEater
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Phlegmatic
* FriendToAllLivingThings: To a smaller extent than Suzie.
* HairDecorations: Her hair ribbon
%%* TheKlutz
* PluckyGirl: Seems rather unfazed by her status as the Team Klutz.
%%* SnoopingLittleKid
* TokenMiniMoe: Not to the same extent as Mimi, but still...

!!Mimi Chan
->''"You just wait for your elders!"''

The youngest daughter of the Chan Clan, she's prone to bossing Scooter around and clinging to Nancy when frightened.

%%* CheerfulChild
%%* TheCutie
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Melancholic
* HairDecorations: Her headband.
%%* SnoopingLittleKid
%%* TokenMiniMoe
* VitriolicBestBuds: With Scooter.

!!Scooter Chan
->''"Boy, what a brain, chief!"''

The youngest of Detective Chan's children and Flip's devoted sidekick.

* BigBrotherWorship: Hates being bossed around by his sisters but will take orders from Flip without question.
%%* CheerfulChild
* [[FourTemperamentEnsemble Five Temperament Ensemble]]: Sanguine
%%* HotBlooded
%%* LeeroyJenkins
%%* SnoopingLittleKid
* TagalongKid: Mimi certainly treats him like this at times, despite being only a year older than him.
* [[TokenMiniMoe Token Shota]]
* VitriolicBestBuds: With Mimi.

->''Arf, arf!''

The family dog. Though mostly comic relief, he gets quite a few moments of awesome.

* FunnyAnimal: Is second to Stanley in bringing most of the show's funniest moments.
%%* HeroesLoveDogs
* LoveAtFirstSight: With Fifi in episode 10.
* NotNowKiddo: Often mistaken for wanting to play with the kids when he's actually trying to tell them something important.
%%* TeamPet

!!Mrs. Van Inkley

A one-episode character and an apparent friend of Mr. Chan's.

* AscendedExtra: In some fics she becomes a love interest for Mr. Chan.
%%* NonIdleRich

!!Prince Hareem

A one-episode character and Henry's friend.

%%* DistressedDude
* RoyalsWhoActuallyDoSomething: He's a race car driver, which is the starting point of the drama in episode 9.

!!Prince Hareem's rival

* RoyalsWhoActuallyDoSomething: He's one of Prince Hareem's biggest racing rivals.