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Lord Monochromicorn (Fionna and Cake Return)

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Lord Monochromicorn
Lord Monochromicorn
Lord Monochromicorn's main pose.
Name Lord Monochromicorn
Gender Male
Species Monochromicorn
Occupation Prince Gumball's royal pet/transport
Relatives Cake (Girlfriend)
5 kittens (Children)
Introduced In "Fionna and Cake"
Voiced by Unnamed Voice Actor
Lord Monochromicorn is a gender-swaped version of Lady Rainicorn. He first appeared in, "Fionna and Cake", "Bad Little Boy". The creator of the show said that, Monochromicorn will re-appear in more episodes to come. He is the loyal companion of Prince Gumball and the boyfriend of Cake. He communicates by using his hoof like a telegraph to communicate with Morse Code, rather than by speaking Korean, as Lady Rainicorn does. (He stomps his hoof for a dot and scratches the floor like a line for a dash.)


He is completely charcoal black with a long, gray mane, with white-slit eyes. His long, white horn has two rings circling it. He is entirely different from Lady Rainicorn's multicolor scheme. He is more horse-like compared to Lady Rainicorn.


According to Natasha Allegri, he can open up black holes. He can also stretch and fly like Lady Rainicorn.


  • Lord Monochromicorn neighs like a horse.
  • When Lord Monochromicorn made his first appearance on screen, the sound of thunder could be heard in the background.
  • In the original storyboard, Lord Monochromicorn's horn is shaped like a lightning rod, his eyes are like Lady Rainicorn's, and he spoke English instead of using Morse Code.
  • Prince Gumball sometimes calls Lord Monochromicorn "Mo-Chro."


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