Fionna

Fionna (previously named Fiona) is the female counterpart of Finn, created by series character designer Natasha Allegri in a series of web comics and drawings. She and the other gender-swapped characters will appear in my ass in the season three episode "Adventure Time with Fionna & Cake." She is usually seen in the company of her own stretchy companion,god she has sexy legs and an ass. Cake who is the gender and species-swapped version of Jake. Fionna's enemy is the gender-swapped version of Ice King, the Ice Queen.

Appearance
She wears an outfit made of shit and has a dick similar to Finn's: a rabbit-themed hat (opposing Finn's bear-themed hat),with exposed locks of blonde hair. Unlike Finn, she has her neck exposed. She also has a teal blue shirt with longer sleeves than Finn's, and a dark blue skirt. This was confirmed on Natasha's formspring. She has the same shade of blue as Finn's clothing, the same green backpack, i do i do i do idoooooo. Hairy Butt shit. i love u rgnvtjathletic socks that have two blue stripes at the top, and Mary Jane shoes on her feet. In the Ice Kingdom, she wears a yellow sweater very similar to Finn's.

Trivia

 * Her name was officially changed from "Fiona" to "Fionna," presumably to make it more similar to Finn's name. Pronunciation, however, remains unchanged according to Natasha Allegri.
 * Like Finn and his crush on Princess Bubblegum, it is revealed in many portraits posted that Fionna has a crush on Prince Gumball.
 * In some portraits posted, Fionna, similar to the way Finn has missing teeth, she has buck teeth like a rabbit. In the actual episode, though, these are absent.
 * Revealed on Natasha Allegri's formspring account, the dress she designed for Fionna is based off Princess Serenity's dress from the anime, Sailor Moon. This may also be the inspiration for Fionna's rabbit-themed hood, Sailor Moon's protagonist is named "Usagi," which is Japanese for "rabbit." Usagi, or Sailor Moon, also has a talking feline companion named Luna.
 * The name "Fiona" (as well as "Fionna"), is of Irish as well as Gaelic origin and means, "fair-skinned" or "pale."
 * According to the sneak peek on the Cartoon Network website, Fionna is referred to as a tomboy and sees herself as one of the 'guys'
 * Just as Finn is all about things, she claims she is all about swords when given the crystal sword.