[[WMG:[=PaRappa's=] Hat Theories]]
Since the beginning of the music game genre, there has been one question that has boggled man's mind:
WHAT THE HELL'S UNDER PARAPPA'S HAT?

The bipedal rapping dog has never taken off his hat at any point of the game, or possibly his life.

The issue of what [=PaRappa=] looks like underneath his beanie is such a video-game-character-related issue, that the upper half this WMG has been dedicated to finding an answer.

* PRHT 1: [=PaRappa's=] bald.
* PRHT 2: [=PaRappa=] has red hair.
* PRHT 3: [=PaRappa=] ''doesn't have a scalp''. His hat is the only thing encasing his brain.
* PRHT 4: [=PaRappa's=] a robot, and the hat hides his cranial circuitry.
* PRHT 5: [=PaRappa's=] head is shaped exactly like his hat.
* PRHT 6: [[WesternAnimation/EdEddNEddy Ed, Edd, and Eddy's]] universe is contained under his hat. [[RecursiveReality His universe is contained under Double D's]].
* PRHT 7: [=PaRappa's=] hat is the one thing that lets him literally have a grip on his sanity.
* PRHT 8: [=PaRappa's=] hat is part of his head.
* PRHT 9: [=PaRappa=] keeps drugs in his hat (which would explain a lot.)
** PRHT 9.1: He gives those drugs to the makers of the games. Talk about ForTheLulz.
* PRHT 10: [=PaRappa's=] brain is stored in his hat.
* PRHT 11: [=PaRappa=] ''is'' his hat. Everything else is just a meat puppet.
* PRHT 12: [=PaRappa's=] hat is what grants him his [[FunnyAnimal anthropomorphism]]. If he goes too long without it, he [[EvolutionaryLevels degenerates down the]] SlidingScaleOfAnthropomorphism until he becomes [[BroughtDownToNormal your average]] [[PhlebotinumInducedStupidity non-sentient,]] [[FourLegsGoodTwoLegsBetter four-legged dog.]]
* PRHT 13: [=PaRappa=] hides a ThirdEye under his hat.
* PRHT 14: [=PaRappa's=] [[OurSoulsAreDifferent soul]] is stored in his hat.
* PRHT 15: [=PaRappa=] has an EmbarrassingTattoo on his head.
* PRHT 16: [=PaRappa=] has a [[FunnyAfro comically oversized afro]] crammed under his hat. Especially considering Stage 5 of PaRappa the Rapper 2.
--> '''Hairdresser Octopus:''' "Hey, take that stupid hat off. What does it look like in there?"
--> '''[=PaRappa=]:''' "Aaa, I'm not sure myself."
* PRHT 17: The Bermuda Triangle leads to the inside of [=PaRappa's=] hat.
* PRHT 18: [=PaRappa=] has a [[{{WesternAnimation/Futurama}} Reverse Brain Slug]] under his hat.
* PRHT 19: [=PaRappa=]'s hat is acutally a headband, and he just has [[IdiotHair Idiot Hair]].
* PRHT 20: [=PaRappa=] has blonde hair, like the anime. (i think (i'm unsure))
* PRHT 21: [=PaRappa=] has [[StubbornHair horrifically untamable hair]] under his hat that got so matted that it ''tangled with the fibers of the hat.'' Any attempts to remove the hat have ended in failure.
* PRHT 22: [=PaRappa=] hides nothing. Literally nothing. Under his hat is a ''black hole.''
----

!!Now for other theories about the [=PaRappa=] [[TheVerse Universe]]

[[WMG: Sunny Funny's genitalia is inside her head.]]
* [[RealLife Real world]] flowers are the reproductive part of the plant. Sunny Funny has a ''[[FridgeHorror flower for]] [[{{Squick}} a head]]''. What that says about what she has [[DoubleEntendre downstairs]] is kind of [[VaginaDentata unsettling]].

[[WMG: Katy Kat smokes when nobody's looking.]]
* I can't be the only guy to notice that Katy's voice gets [[VocalEvolution shriller and raspier]] with every sequel. There's definitely some damage to her larynx going on.

[[WMG: ''Parappa The Rapper'' is set in the same [[TheVerse universe]] as ''WesternAnimation/RegularShow''.]]
* Think about it. Both are set in a MundaneFantastic WorldOfWeirdness populated with {{Funny Animal}}s and AnthropomorphicObjects that [[LionsAndTigersAndHumansOhMy coexist with humans]].

[[WMG: ''Parappa The Rapper'' is set in the same [[TheVerse universe]] as ''VideoGame/PopNMusic''.]]

[[WMG: ''WesternAnimation/TheAmazingWorldOfGumball'' is set in the same [[TheVerse universe]] as these games.]]
* Proof of this is the first issue of the comic has a DMV instructor who bears a strong resemblance to Instructor Moosilini, in the second issue the Karate Instructor bears a strong resemblance to Chop Chop Master Onion... now either this is true or the writer is a HUGE fan of Parappa the Rapper!

[[WMG: The ''WesternAnimation/RobotChicken'' parody (where [=PaRappa=] was defending himself in court and was shot by King Kong Mushi) happened.]]
How else could he have been able to play [[PlanetHeck Stage 6 of]] ''[[PlanetHeck Lammy]]''?
* Well, if you're playing the ''US'' version, maybe he took a plane.
* The cutscenes for [=PaRappa=]'s story mode in ''VideoGame/UmJammerLammy'' [[GameplayAndStorySegregation don't appear to have any correlation towards the actual levels]], plus the title screens for each stage having a day of the week in [=PaRappa=]'s story mode appears to suggest that [=PaRappa=]'s story occurs over a week as opposed to within 15 minutes like Lammy's story.

[[WMG: In ''Um Jammer Lammy'', the object that [=PaRappa=] thought he was holding in his hand within the DummiedOut [=PaRappa=]'s take on Chop Chop Master Onion's song was a microphone.]]
* I mean, I guess it makes sense, considering the theme of the game(s).

[[WMG: Taste of Teriyaki is a song about someone who loves two people.]]

[[WMG: Katy was born in [[WesternAnimation/MaoMaoHeroesOfPureHeart Pure Heart Valley]], and managed to escape from it way before the Ruby got cracked.]]
* Given that most of the sweetiepies are AmazingTechnicolorWildlife, and there's seemingly no other technicolor wildlife besides Katy in Parappa Town, this sorta makes sense.

[[WMG: The Anime takes place before the games.]]

* Parappa and his friends seem to be kids, high school age at the oldest in the anime, but in the games Parappa seems to be in his late teens.
** Adding onto this, [=PaRappa=], Sunny, Katy, and PJ may have had a falling out with Matt and Paula, which would explain why neither of them appear in any of the games. Not even ''VideoGame/PlayStationAllStarsBattleRoyale''.

[[WMG: [=PaRappa=] hallucinates in "Full Tank" because he left the cake sitting out.]]

* In the cutscene after level 4, he can be seen leaving the seafood cake out overnight in his room, causing the fish to spoil. This could explain why [=PaRappa=] hallucinates birds turning into flying toilets and runs around [[AcidRefluxNightmare in a psychedelic rainbow void full of his teacher's floating heads]] when he reaches cool mode.

[[WMG: Paul Chuck, the teacher for Lammy level 5, is Lammy's dad.]]