!!Kenan Rockmore

* AloofBigBrother: Towards Kyra.
* CatchPhrase: "WHHYY?!"
* DeadpanSnarker
* GetRichQuickScheme: His fondness of these drives the main plot of the show.
* HighSchoolHustler as the theme tune says, you gotta watch Kenan, because Kenan be scheming! And always backfire in the end.
* JerkWithAHeartOfGold
* OnlySaneMan
* SensitiveGuyAndManlyMan: Manly Man to Kel's Sensitive Guy.

!!Kel Kimble

* CatchPhrase: "AWWWW, HERE IT GOES!"
* ChildhoodBrainDamage: Kenan once implies that Kel's lack of common sense (and otherwise intelligence) was the result of him being dropped on his head as a child.
* CloudCuckoolander
* TheDitz
* DraggedIntoDrag: A couple of times, Kenan's plans require a girl, which means Kel has to dress up as one. People can't seem to see through the disguise, either (even when he pretended to be pregnant!).
** Only Chris seems to noticed.
* GRatedDrug: Kel's addiction to Orange Soda. There's even an episode dedicated to everyone trying to break his addiction, [[DoesThisRemindYouOfAnything and he suffers from obvious withdrawals.]]
* GeniusDitz: Kel scored a 98 (out of 100, on this show) on the IQ Test.
* IWarnedYou: He always tells Kenan his plans won't work, but Kenan never listens and doesn't want to hear of it even when his plans do fail.
* LargeHam: He dropped the screw in the tuna.
* TheMillstone: Many of Kenan's schemes fail due to him.
* SarcasmBlind
* SensitiveGuyAndManlyMan: Sensitive Guy to Kenan's Manly Man.
* TooDumbToLive
* [[TrademarkFavoriteFood Trademark Favorite Drink]]: "Who loves orange soda? Kel loves orange soda!"
** It is implied in "The Tainting of the Screw" that his favorite food is ham.
-->"I enjoy ham."
** His female persona from "The Honeymoon's Over", Kelly, loves root beer.

!!Chris Potter

* ButtMonkey: Tons of examples, including the ChristmasSpecial where ''he was beat up by a [[NinjaPirateZombieRobot robotic Santa Claus]] while all the customers sat back and watched'' not even knowing it's a robotic dummy.
* CharacterTics: His eye twitches whenever there's trouble. Though it was only shown in the pilot episode.
* CloudCuckoolander
* MommasBoy
* NoodleIncident: He has a boatload of them, all involving his [[HeWhoMustNotBeSeen mother]].
-->'''Kenan:''' Lumberjack school?
* TerrifiedOfGerms: Shown in "The Cold War" when Kel has a cold, though justified as he runs a grocery store and that's where Kel was
* TokenWhite: Ever notice he's the only white guy in the show?
** The only white ''main character'' at least. There are plenty of white extras and minor characters on the show.
* WhyDidItHaveToBeSnakes: He's afraid of rabbits and sandwiches. Though he no longer fears the latter.

!!Roger Rockmore

* BaldBlackLeaderGuy: Of the Rockmore family, anyway.
* ButtMonkey: Second only to Chris.
* JerkWithAHeartOfGold
* ScaryBlackMan: To Kel, anyway.
* SitcomArchNemesis: Kel is his.

!!Cheryl Rockmore

* NoodleIncident: When she was in college during TheSeventies, she once streaked in public.
* [[OnlySaneMan Only Sane Woman]]
* ReasonableAuthorityFigure

!!Kyra Rockmore

* AnnoyingYoungerSibling
* BerserkButton: When some other girl takes an interest in Kel.
* BrattyHalfPint
* ClingyJealousGirl
* DemotedToExtra: She is absent in the entirety of season 3, and has only made a few appearances in season 4.
* PrecociousCrush: She has one on Kel.
* StalkerWithACrush
* {{Tsundere}}

!!Ethel Quagmire

* CoolOldLady: She has her moments.
* RecurringExtra

!!Sharla

* DeadpanSnarker
* NotSoDifferent: With Kenan
* WillTheyOrWontThey

!!Janet

* AcademicAlphaBitch
* {{Expy}}: Mindy in the later show ''DrakeAndJosh''.
* {{Meganekko}}
* NerdsLoveToughSchoolwork
* RecurringExtra
* StrawFeminist: She once gave a presentation on a book titled, ''Women, Better Than Men.'' It was [[WallOfText 45 minutes long]].

!!Dave

* CreepyMonotone
* DeadpanSnarker
* VerbalTic: "Delivery" and "Sign my thing."
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