[[folder:Students of Scare School]]


* AffectionateGestureToTheHead: In "Vote for Casper" Mantha strokes Casper's head when [[spoiler: she reveals that she did vote for him]]. In "What Possessed You?" Stretch also strokes Casper on the head when he believes Casper gave up on being friendly.
* AntiHero: At first and for most of the series, he is unambiguously friendly and kind, even if he is more than a bit snarky who isn't above lying and generally being an occasional "trouble-maker" in school, even during the earlier installments. Then Casper got DarkerAndEdgier, [[WhatTheHellHero doing things that become much more questionable]] as time goes on, [[IDidWhatIHadToDo even when they're being used to reach goals that are unquestionably heroic]].
* BerserkButton: Unsurprisingly, he doesn't react too well to his friends being threateaned.
** In "What Possessed You?" [[spoiler: he scarred one of the Normans after he possessed Casper and bullied his classmates and Jimmy.]]
** In "Messy Bussiness at the Manor", Mosshead found out about Casper being friends with a fleshie and intended to tell everyone at Scare School. Casper [[spoiler: finally snaps and chews him out for being an UngratefulBastard. He insults Mosshead and unintentionally scares him.]]
** Don't you ever embarrass him in front of his classmates.
* BewareTheNiceOnes: Pushing him around too much is not a good idea.
* BrilliantButLazy: He is great at scaring people, both on purpose or in accident, and even scarred a crowd better than Kibosh himself once and he wasn't even trying to.
* CharacterDevelopment: In season 2, he's gotten a lot more aggressive towards Thatch and will fight back when Thatch picks on him.
* CheerfulChild
* ChildrenAreInnocent
* Na´veNewcomer: In the movie and season 1.
* NiceGuy: Maybe too nice for his own good.
* NiceJobBreakingItHero: His friendliness often causes problems for both his fellow creatures and himself.
* TheChosenOne: Fans believe that Kibosh wants to make Casper the next leader of the Underworld.
* TheHero
** TheLancer: To Kibosh.
* InnocentBlueEyes
* IntergenerationalFriendship: Has one with Cappy.
* InterspeciesRomance: He has a crush on Mantha.
* MasculineGirlFeminineBoy: Feminine Boy to Mantha's Masculine Girl.
* OlderThanTheyLook: He appears to be somewhere around Jimmy's age, but he is really more than two hundred years old.
* OutOfCharacterMoment: In "Potent Brew" Casper is trying to pull something from a toddler's grip and when Mantha scares the toddler into letting go, making her cry, Casper '''thanks''' her. '''What the hell'''.
* TheRival: To Thatch.
* TeachersPet: Kibosh clearly favors him.
* TokenGoodTeammate
* UndyingLoyalty: For everyone he holds dear.
* TookALevelInBadass: In season two.
* WhyCouldntYouBeDifferent: The Ghostly Trio wants Casper to be scary and a prankster like them.
* YouWouldntLikeMeWhenImAngry


An Egyptian prince.

* AttentionWhore
* AFoolAndHisNewMoneyAreSoonParted: In "Rich Kid Ra", however he was already rich to begin with until an archaeologist raided his family's tomb.
* BrownEyes
* DistressedDude: Depending on the episode.
* {{Foil}}: To Casper.
* NiceHat
* OlderThanTheyLook: He appears to be somewhere around Jimmy's age, but he is really almost three thousand years old.
* OlderSidekick: Ra is 2500-years-old while Casper is hundreds of years old.
* TheLancer: Depending on the episode.
* TheMcCoy


Casper's other best creature friend and love interest who is a "Zombie Activist".

* ActionGirl
* BerserkButton: DON'T talk trash about zombies, some actors found this out the harsh way.
* CuteBruiser
* DeadpanSnarker
* InterspeciesRomance: She has a crush on Casper.
* LittleMissBadass
* MasculineGirlFeminineBoy: Masculine Girl to Casper's Feminine Boy.
* OurZombiesAreDifferent: She is actually smart and agile. The walking slowly while chanting "Braaains..." routine is just a scare tactic zombies use. And though she does eat brains, it's not all she eats.
* PinkMeansFeminine: Subverted. She wears a pink shirt and her shoes have pink shoelaces but she's rather tomboyish.
* PurpleEyes
* TeamMom
* TheDeterminator
* TheSmartGirl[=/=]TheLancer
* TheSmurfettePrinciple: She's the only female in her group of friends.
* {{Tomboy}}
* WomenAreWiser
* YouGottaHaveBlueHair
* YouWouldntLikeMeWhenImAngry


The head bully at Scare School and Casper's arch nemesis.

* ZeroPercentApprovalRating
* BigBad: In season 2.
* BigManOnCampus: Believes himself to be this.
* ButtMonkey: In season 2.
* ClassRepresentative: In "Vote For Casper".
* DaywalkingVampire: He frequently visits Deedstown in broad daylight.
* DreadfulMusician: Thatch thinks he can sing, but to the others, he's horrible.
* DraggedByTheCollar: Whenever he gets in trouble, someone (mainly Alder and Dash) drags him away by his cape.
* {{Flanderization}}: In season 1 he was sneaky, clever and better balanced. In season 2 he is whiny, unscary and a lot more bratty and greedy.
* JerkWithAHeartOfJerk
* OurVampiresAreDifferent: He isn't harmed by sunlight and doesn't have to drink blood to survive.
* PrettyBoy: In the eyes of his fangirls.
* PurpleEyes
** RedEyes: His fans love to draw him with these.
* SkunkStripe
* SmallNameBigEgo
* TheInformant: For Alder and Dash in the movie.
* ThePrankster
* TheRival: To Casper.
* TookALevelInJerkass: In season two.

!Thatch's gang

Thatch's "followers".

* AllGirlsWantBadBoys: In the first episode, Dummy Girl is shown to have crush on Slither.
* BigOlUnibrow: Slither.
* DarkChick: Dummy Girl.
* TheDragon: Slither.
* HairDecorations: Dummy Girl ties her hair with two big red bows.
* ThePigPen: Mosshead doesn't bother much with hygiene.
* RedEyes: Dummy Girl.
* YouGottaHaveBlueHair
* YouWouldntLikeMeWhenImAngry

!Mickey and Monaco

Preppy Skeleton twin girls.

* DumbBlonde: Mickey.
* GirlyBruiser
* GreenEyes: Monaco.
* {{Lovable Alpha Bitch}}es
* PurpleEyes: Mickey.
* SingleMindedTwins
* TheCheerleader
* ThoseTwoGirls
* TookALevelInJerkass: In [[spoiler: "Triclops, Mistress of Dark"]].
* {{Valley Girl}}s
* YouWouldntLikeMeWhenImAngry: Just ask Thatch and Ra.


[[folder:Scare School Staff]]

!Alder and Dash

Scare School's not-so-bright headmasters.

* ZeroPercentApprovalRating
* BigBad: Both in the movie and for most of the series.
* EvenEvilHasLovedOnes: They love their aunt/uncle (Ankle) and their pet bunny.
* {{Jerkass}}
* TheLancer: Alder.
* TheLeader: Dash.
* RedEyes: Dash.
* TooDumbToLive: Alder.
* YouHaveFailedMe: In "What Possessed You?", Kibosh sent them to the Chamber of Unspeakable Horrors for failing at turning Casper into a terryfing creature.


Scare School's gym teacher.

* {{Jerkass}}
** JerkWithAHeartOfGold
* WhyDidItHaveToBeSpiders?: He's scared of villagers with torches.

!Hedy Hopper

Scare School's history teacher.

* AllGirlsWantBadBoys
* TheHeart
* YouGottaHaveBlueHair


[[folder:Other Creatures]]

!Ghostly Trio

Casper's uncles and caregivers.

* BearHug: They do this to Casper and each other frequently.
* {{Cool Uncle}}s
* GadgeteerGenius: Stinky.
* LighterAndSofter: They actually care about Casper now. Of course they still love to scare humans.
* MeaningfulName: Fatso is a BigEater and the biggest of the ghosts and Stinky smells awful.
* PapaWolf
* {{Parental Substitute}}s[=/=]{{The Caretaker}}s: To Casper.
* TeamDad
* TerribleTrio
* TookALevelInBadass: [[spoiler: In "Thatch My Idol".]]
* ThePrankster: And ''how!''.


The much feared leader of the Underworld.

* AntiVillain
* {{Badass}}
* BadBoss: He once threatened to close Scare School unless Professor Burns performed his party trick for him.
* BerserkButton: Creatures being friendly/not being scary and to a minor extent being interrupted then talking.
* '''ControlFreak'''
* GoodIsNotSoft: Very, VERY deep down Kibosh is actually pretty nice.
* HairTriggerTemper
* {{Jerkass}}
** JerkWithAHeartOfGold
* LargeAndInCharge
* LighterAndSofter
* MeaningfulName: He is determined to put the kibosh on Casper's friendliness.
* RoyalsWhoActuallyDoSomething
* SmallNameBigEgo: Played with. His ego shows in that he forces Alder and Dash to sing him songs thanking him for not insulting or hurting them. Given his status as king of all ghosts and ruler of the Underworld though, the "small name" part does not really hold up.
* TheDreaded: To all humans and creatures (except Casper).
* UsedToBeASweetKid[=/=]NotSoDifferent: He used to be a friendly ghost like Casper when he was his age.
* WouldHurtAChild: Played with. He was never seen hurting a student. However, he has made things that would have hurt or even killed the students in season 1, plus Alder and Dash implied that Kibosh gives the students the same hideous punishments he gives to adult creatures, although Kibosh believes he is doing what's best for his people.
* YouWouldntLikeMeWhenImAngry



!James "Jimmy" Bradley

Casper's best (human) friend.

* {{Expy}}: He is similar to Chris from ''Casper: A Spirited Beginning'' due to both being "experts" in the supernatural.
* FriendlessBackground
* HairOfGoldHeartOfGold
* PurpleEyes: In the TV series, his eyes are almost violet blue.
* SecretKeeper
* WackyParentSeriousChild: The Serious Child to Graham's Wacky Parent. While his father usually acts silly, he is usually laid-back most of the time.

!Graham Bradley

Jimmy's father and Deedstown's Creature Catcher.

* BumblingDad
* DorkKnight
* FollowInMyFootsteps: He wants his son to be a join him in the Creature Catcher business.
* HappilyMarried: To Rebecca.
* ManChild: He can be seen hugging a teddy bear while Jimmy tells his scout trope a scary story in "Scare Scouts".
* PapaWolf
* UglyGuyHotWife

!The Normans

Deedstown's local bullies who love to make other children's lives hell, especially Jimmy's.

* AnnoyingYoungerSibling: Blonde-haired Norman to his sister.
* BlondesAreEvil: Blonde-haired Norman.
* FanNickname: The blonde-haired Norman is often referred to as "Beanie Norman" or "Skater Norman" while the brown-haired Norman is usually referred to as "Mullet-haired Norman".
* JerkWithAHeartOfJerk