* CompleteMonster: From ''Rainbow Brite and the Star Stealer'' comes the Dark Princess. Out of the roster of {{harmless villain}}s in Rainbow Brite's RoguesGallery, none reached the [[EvilIsPetty petty]], [[SelfishEvil selfish]] extremes the [[BigBad Dark Princess]] exemplified. Motivated solely by {{greed}}, the Dark Princess was willing to enslave innocent races to tow the diamond planet Spectra out of its foundation to her castle. However, all light in the universe needs to pass through Spectra, or else the entire universe would be starved of light and freeze, ensuring trillions of deaths. [[StupidEvil Despite knowing she'd die too]], the Dark Princess still goes on with it, and when she's foiled, she attempts to [[TakingYouWithMe ram her ship into Spectra and shatter it]] out of spite. When she returned, she enslaved a peaceful race of sprites and attempted to turn [[WouldHurtAChild Rainbow Brite into a crystal]]. [[KnightOfCerebus The Dark Princess]] [[VileVillainSaccharineShow stood out]] in the Sugar Bowl that was Rainbow Brite's universe as a figure of unparalleled [[ItsAllAboutMe selfishness and avarice]].
* CultClassic: Probably the most obscure girl's cartoon in the 80s with only a handful of specials, one movie, and an 8 episode series. Nonetheless, it has a small but devoted fandom who's dedication and creativity are truly something to behold.
* EnsembleDarkhorse: Tickled Pink, Stormy, Moonglo, Krys, Lurky, and the Dark Princess.
* EveryoneIsSatanInHell: The show was accused of being "Satanic" by loonies because it contains "occult" symbols like stars and rainbows.
* FanficFuel: Exactly who Tickled Pink is, why she wasn't in the first few episodes, why she isn't counted among the seven Colour Kids, etc. A scene where she uses yellow star sprinkles, despite this likely being an animation error, was latched upon by fans who decided that she was the Colour Kid of pastel shades, despite there not being much evidence for this.
* SugarWiki/HeartwarmingMoments: [[http://www.youtube.com/watch?v=-4YgsWrqjO0 This Podcast]] celebrating the thirtieth anniversary of the franchise. Hearing about two fans in their thirties still cherishing their beloved show and still going into fannish squees about Rainbow is just... Awww. Truly a testament to the power of fans to keep what they love alive.
* SugarWiki/SweetDreamsFuel: A cute little girl and her friends spreading color and hope everywhere they go. Rainbow colors will cheer you up, indeed.
* TheyChangedItNowItSucks: Few have taken well to the 2009 reboot, which unsurprisingly ''bombed''.
** The 2014 series is already receiving flack from fans, and it hasn't even ''aired'' yet.
* ToyShip: Rainbow Brite and either the {{muggle}} Brian or Krys from The Movie.
* ViewerGenderConfusion: Starlite, and to a lesser extent Twink.
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