List of WebOriginal/LOLCats according to [[AllThereInTheManual Cheezburger Confidential]].
[[folder: Individual Characters]]
The happiest creature on the planet. [[LeetLingo 1337%]] happier than normal cats. Loves cheeseburgers and will ask you for one.
* BerserkButton: The only known instance of Happycat ''not'' being happy occurred when he went to order a cheezburger, but they were all out of them. He then became [[UnstoppableRage so angry]] that [[DemonHead his head detached from his body and started firing laser beams at civilians]]. Police arrived in time with cheezburgers to settle the issue.
* PerpetualSmiler
* TrademarkFavoriteFood: Cheezburgers.

!Dr. Tinycat
[[ExactlyWhatItSaysOnTheTin A tiny cat that is also a doctor]]. That's really all you need to know.
* BunnyEarsLawyer
* CloudCuckoolander: Kind of.
* DeadpanSnarker: Partly as a result of the Vicodin he takes for his condition.
* DrJerk: His condition causes him pain sometimes, so he takes Vicodin for it. Unfortunately, said pills make him a bit cold and sarcastic.
* InsufferableGenius
* [[ChildProdigy Kitten Prodigy]]

!Ceiling Cat
Feline deity that watches us all from the infinite ceiling. Capable of miraculous deeds, but prefers a good nap.
* BigGood
** ...Maybe, [[LightIsNotGood given]] [[KnightTemplar some]] [[GodIsEvil of]] [[EvilAllAlong his]] descriptions...
* CrystalDragonJesus
* {{God}}
** GodIsEvil: {{Depending on the writer}}.
* GoodCounterpart: To [[{{Satan}} Basement Cat]]. [[LightIsNotGood Supposedly]]
* KingOfAllCosmos: And ''how!''

!Basement Cat
Evil black cat that resides in the basement of eternity. Known for eating souls and recruiting minions to do his evil deeds.
* BigBad
* DarkIsEvil
* EvilCounterpart: To [[{{God}} Ceiling Cat]]

!Hipster Kitty
A cat so obscure, it's hip. Last seen wearing an expensive vintage hoodie and growing a mustache.
* {{Hipster}}: [[CaptainObvious Duh]].
* ItsPopularNowItSucks:[[invoked]] Believes in this.

The longest cat known to exist. Longcat is unable to be measured with current cat measurment technology. Longcat is long.
* BeCarefulWhatYouWishFor: Longcat used to be extremely short. Then he wished to become longer, and his LiteralGenie granted it to him. He eventually became so long that he ended up in space.
* GoodCounterpart: to Tacgnol
** LightIsNotGood[/]EvilAllAlong: The "Longcat did WTC" and other similar things.
* [[BatmanCanBreatheInSpace Longcat Can Breathe In Space]]
* ShapedLikeItself: Longcat Is Long.

!Moral Grey Area Kitteh
Ethically ambiguous cat. Makes moral choices that are neither completely good or evil. Cat lawyer for hire.
* AmoralAttorney: Being morally grey, a lawyer was the perfect job for him.
* AstonishinglyAppropriateAppearance: He's "Moral Grey Area Kitteh", so naturally he's grey.
* GreyAndGreyMorality
* {{Flanderisation}}: Began as, well, a morally relativistic kitten. Now is pretty much evil.

!Serious Cat
A cat capable of epic levels of seriousness. Has gone 2,632 days without cracking a smile. Current age: 2,632 days.
* TheComicallySerious
* GrumpyBear
* PerpetualFrowner
* SesquipedalianLoquaciousness: Well, sesquipedalian is one of his favorite serious-sounding words.
* TheStoic: He always keeps a serious expression no matter what.

Mindless evil clone of Longcat. Created by Basement Cat to create havoc on the world. If seen, run for your life.
* DarkIsEvil: Black cat. Seriously...
* EvilCounterpart: To Longcat.
* [[InherentlyFunnyWords Inherently Dirty-Sounding Words]]: "coccyx", [[MyImmortal "masticate"]] and "Volvo", according to his reference page.
* {{Tykebomb}}: Sort of. He was made for the purpose of being a pure evil counterpart to Longcat.

A giant seal that is fond of his little blue bucket. Bucket was stolen by a bad man. Lolrus has been searching for it ever since.
* CompanionCube: Lolrus and Bukkit.
* {{Determinator}}: Lolrus will stop at nothing to find his Bukkit.
* GentleGiant: Despite being bigger than a man, he's usually peaceful and polite. But sometimes not. See WilyWalrus below.
* GoodWithNumbers: Bukkit is a bit of a math nerd.
* TrademarkFavoriteFood: Fishies.
* WarmHeartedWalrus: A benevolent creature who just wants his bukkit back. Most of the time. See WilyWalrus below.
* WilyWalrus: Though he's usually a nice guy, there are some pictures that portray him as more violent in his pursuit of the bukkit.

!Monorail cat
Runs along on a track, and is frequently out of service.

!Business Cat
Known for making work SeriousBuisness...when he isn't stopping to do cat stuff.

Flys along just over the ground, appears to have no legs due to the photo angle. Successor to Monorail Cat.

[[folder: Groups, Organizations, Other]]
!The Itteh Bitteh Kitteh Committeh
Secret society of small kitties making sure that the world stays adorable. Like ''Film/FightClub'' [[DisSimile only without fighting]].
* EverythingsCuterWithKittens
* ImTakingHerHomeWithMe: Guarenteed, you '''will''' have this reaction to them.
* {{Moe}}:[[invoked]] Their society's conditions require members to be this. Small, adorable, and must be adorable while doing something that is decidedly not cute. Like barfing.
* RidiculouslyCuteCritter: Their whole shtick.

[[folder: Real Cats Memes]]
Real cats that frequently show up on the Cheezburger site/in the memes, as well as other places online:
!Grumpy Cat
Real name Tardar Sauce, has a type of feline dwarfism. Known for being even grumpier than Serious Cat. Hates everything. Stars in her own move, ''Film/GrumpyCatsWorstChristmasEver''.

* GrumpyBear: She is always cranky in memes.
* MeanCharacterNiceActor: Her owners state she's actually a very affectionate cat -- and this is borne out in many of her media appearances, where microphones have caught her ''purring'' at all the attention. For bonus irony, her twin brother Pokey is the grumpier one.
* PerpetualFrowner: In her case, it's just her facial anatomy.

!Colonel Meow: Also known for grumpiness, due to his expression.
* GrumpyBear
* PerpetualFrowner

!Lil Bub
Female cat known for her distinctive face and perma-kitten appearance due to a genetic mutation.