"Adventure Time ""Friends Costume"" Men's T-Shirt. ADVENTURE TIME WITH FINN AND JAKE chronicles the off-the-wall escapades of a boy named Finn (Jeremy Shada) and his talking canine friend, Jake (John DiMaggio), who team up for fun in the mystical Land of Ooo. Wherever there's trouble, Finn and Jake are ready for action in the name of justice, often coming to the aid of their friends Princess Bubblegum (Hynden Walch), Marceline the Vampire Queen (Olivia Olson), and the colorful assortment of residents of the Land of Ooo. This shirt is a must have for the avid Adventure Time fan!"