Fionna & Cake are the imaginary female versions of Finn and Jake created by and starring in a series of fan fiction written by the Ice King.
Adventure Time with Fionna & Cake: Card Wars is an all-new story written by Jen Wang and Brett Wilson that features the actual Cryptozoic Card game, Card War..
Fionna & Cake are the imaginary female versions of Finn and Jake created by and starring in a series of fan fiction written by the Ice King