Finn and Jake live in the post-apocalyptic Land of Ooo. The first series, Adventure Time (2010–2018), follows the adventures of Finn (voiced by Jeremy Shada), a human boy, and his best friend and adoptive brother Jake ( John DiMaggio), a dog with magical powers to change shape and grow and shrink at will. Adventure Time is an American animated television media franchise created by Pendleton Ward for Cartoon Network.