Fionna (previously named Fiona and also known as Fionna the Human) is a fictional character created by the Ice King in his fan fiction. She was created by series character designer Natasha Allegri in a series of web comics and drawings. She and the other gender-swapped characters appeared in the season three episode "Fionna and Cake" and will appear again in the season five episode "Bad Little Boy." She is usually seen in the company of her own stretchy companion: Cake. Fionna's enemy is the Ice Queen. Like Finn had a crush on Princess Bubblegum, it is revealed in many portraits posted that Fionna had a crush on Prince Gumball. Just as Finn is "all about" things, she claims she is "all about" swords when given the crystal sword. Revealed on Natasha Allegri's formspring account, the dress she designed for Fionna is based off of Princess Serenity's dress from the anime, Sailor Moon. This may also be the inspiration for Fionna's rabbit-themed hood as Sailor Moon's protagonist is named "Usagi", which is Japanese for "rabbit". Sailor Moon also has a talking feline companion named Luna (Sailor Moon).
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