!!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
** On the other hand, there's literally no proof his mother actually exists beyond things Chris says. Kenan himself states that he's never met her and Chris's house contains no photos of her, despite them living together. Almost like a lampshade, Chris's fish is called "Norman" ala a certain famous serial killer who also imagined his mother's continued life..
* 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 during the entirety of season 3, and only made a few appearances in season 4.
* PrecociousCrush: She has one on Kel.
* StalkerWithACrush
* {{Tsundere}}

!!Ethel Quagmire

* CoolOldLady: She has her moments.
* RecurringExtra


* DeadpanSnarker
* NotSoDifferent: With Kenan
* WillTheyOrWontThey


* 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]].


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