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Rainbows and Unicorns

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Rainbows and unicorns are commonly paired together in modern works. Although the two weren't traditionally linked in older unicorn folklore and mythology, the association does make more than a bit of sense. Both rainbows and unicorns embody beauty, magic, and rarity.

There are several ways this trope can manifest:

  • Unicorns appearing near rainbows
  • Unicorns being able to control or manipulate rainbows in some way
  • Unicorns having rainbow-colored body parts, commonly the mane and tail
  • Unicorns leaving a rainbow trail when they run or fly

Sub-Trope of Everything's Better with Rainbows, Rainbow Motif, and Unicorn.



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  • Lisa Frank is an artist well-known for making fun, playful designs for school supplies and other materials geared for children. Her artwork depicts neon- and rainbow-colored stylizations of animals, including unicorns with rainbow horns, manes, and tails.

    Films — Animation 

  • How the Crayons Saved the Unicorn: The eponymous unicorn has a rainbow horn, mane, and tail. Interestingly, he loses his colors due to sadness over not having many friends and needs the titular crayons' help to both regain his colors and make some friends.
  • I'm Basically a Unicorn: The titular unicorn has a rainbow mane and tail.
  • It's Okay To Be A Unicorn: One reason regular horses are prejudiced against unicorns is because they think the latter fart rainbows.
  • My Magical Unicorn: The titular unicorn has a rainbow-colored mane, tail, and hooves.
  • Nerdycorn: In the first page of the book, a bunch of unicorns are seen jumping among rainbows.
  • Unicorn and Yeti: The series features a unicorn with a rainbow mane and tail.
  • Unicorn Day: One of the unicorns has a rainbow-colored horn.
  • Xander and the Rainbow-Barfing Unicorns: The series stars zombie unicorns who puke rainbows.
  • You Don't Want a Unicorn!: The unicorn in question appears in a poof of rainbows and leaves behind a rainbow trail as it flies.

    Live-Action TV 
  • Legends of Tomorrow: In the season 4 opening "The Virgin Gary", the Legends encounter a unicorn that leaves a rainbow behind as she walks.


    Video Games 
  • If you combine a rainbow with a horse in Alchemy Fusion 2, you get a unicorn.
  • Guild Wars 2:
    • The legendary shortbow "The Dreamer" looks like a pastel-colored unicorn, produces visual effects of unicorns and rainbows when used, and its wielders trail rainbows and leave rainbow horseshoe footprints as they move.
    • In player-vs-player combat, victors can celebrate with a "rainbow unicorn finisher"— a unicorn rearing up as a rainbow and sparkles blast above their enemy's corpse.
  • Weaponized in Red Faction: Armageddon with the Lethal Joke Item Mister Toots, a tiny unicorn who farts rainbow lasers from his butt.
  • Robot Unicorn Attack: The titular unicorn has a rainbow mane and tail and produces rainbows when dashing.
  • Terraria: You get an achievement called "Rainbows and Unicorns" for firing the rainbow gun while riding a unicorn.

    Web Comics 
  • The Adventures of Dr. McNinja: Sparklelord is a unicorn with a rainbow-colored mane in his home dimension. When transported to McNinja's dimension, he takes the form of a sentient motorcycle with flippin' sweet rainbow markings on it. However, Gordito mocks him for looking like a Lisa Frank creation.

    Web Videos 
  • The viral internet song "Pink Fluffy Unicorns Dancing On Rainbows", by Andrew Huang, is Exactly What It Says on the Tin: it has exactly one lyric. Three guesses as to what it's about. Halfway through, he even tests an audience of children who sound suspiciously like him about what color the unicorns are, where they're dancing, and the texture of their fur. They get two out of three right.
  • In Mr. Weebl's "Unicorn", a leprechaun swears vengeance against the local unicorn because it keeps generating rainbows that show everyone where his gold is.

    Western Animation 
  • Adventure Time: Lady Rainicorn and the rest of her species are half-rainbow, half-unicorn.
  • My Little Pony:
    • My Little Pony (G3):
      • Rarity is a unicorn pony whose mane is dark pink, orange, and yellow, while her tail is blue, green, and purple. Additionally, her heart-shaped cutie mark is surrounded by rainbow swirls.
      • Rainbows are created by magical unicorns. Without the first rainbow of the season rainbow colors fade, rainbowberries won't grow, and no other rainbows will appear again. The show even has the ponies riding on and sliding down rainbows at one point.
    • My Little Pony: Friendship Is Magic:
      • Princess Celestia is a Winged Unicorn whose mane and tail are blue, green, pink, and purple. Similarly, her adopted niece Princess Cadance has a mane and tail composed of pale gold, rose, and violet.
      • Played with by Rainbow Dash. While she has a rainbow mane, tail, and (lightning bolt-shaped) cutie mark, she's a Pegasus as opposed to a unicorn. She leaves a rainbow trail whenever she flies fast, and whenever she breaks the maximum speed barrier, she bursts out an explosion of colors called a "Sonic Rainboom". One "Sonic Rainboom" became a catalyst that brought the Mane Six together.
      • Also played with are the other pegasi who oversee the weather throughout Equestria via a cloud factory in Cloudsdale. One of their tasks is to extract and refine the colors of the rainbow.
  • Phineas and Ferb: In "Hail Doofania!", Phineas and Ferb are eating from a cereal box with a rainbow and unicorn on it.
  • Rainbow Butterfly Unicorn Kitty: The eponymous character is a unicorn-cat-rainbow-butterfly hybrid. Normally, she appears as a horned cat with a rainbow color palette. However, she can transform into four other forms (rainbow, butterfly, unicorn, kitty) with unique powersets.
  • Rainbow Rangers: Floof (the page image) is a Prismacorn, a unicorn with a rainbow mane and tail.
  • Both She-Ra: Princess of Power and the Continuity Reboot She-Ra and the Princesses of Power feature Swift Wind, a unicorn with rainbow-colored wings who functions as Adora's magically-empowered steed.
  • Spongebob Squarepants: In "Wishing You Well", the title character says "you'll ride unicorns on rainbows" during his song about the magic of wishing wells.