Adventure Time Costumes are Halloween costumes based on characters from Adventure Time. The initial set is exclusively being sold at Spirit Halloween stores and on There is also a slightly different set available on the Cartoon Network Shop and possibly at the WB Shop (since both Cartoon Network and Warner Bros. use the same engine as of July 16, 2012).

Currently there are costumes based on Finn, Jake, Princess Bubblegum, BMO, Ice King, Lumpy Space Princess, Marceline, and Fionna. In the future, there will be costumes based on Flame Princess, Cake, Prince Gumball, Ice Queen, Marshall Lee, and other characters. There are also Finn, Fionna, and Jake costumes available for infants.


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