Finn the Human and Jake the Dog are the main characters of which American animated television series?

"Adventure Time" is an American fantasy animated television series created by Pendleton Ward for Cartoon Network. Produced by Frederator Studios and Cartoon Network Studios, the series follows the adventures of a boy named Finn (voiced by Jeremy Shada) and his best friend and adoptive brother Jake (John DiMaggio) — a dog with the magical power to change shape and size at will. Finn and Jake live in the post-apocalyptic Land of Ooo, where they interact with Princess Bubblegum, the Ice King, Marceline, BMO, and others.

"Adventure Time" is an American fantasy animated television series created by Pendleton Ward for Cartoon Network. Produced by Frederator Studios and Cartoon Network Studios, the series follows the adventures of a boy named Finn (voiced by Jeremy Shada) and his best friend and adoptive brother Jake (John DiMaggio)—a dog with the magical power to change shape and size at will. Finn and Jake live in the post-apocalyptic Land of Ooo, where they interact with Princess Bubblegum (Hynden Walch), the Ice King (Tom Kenny), Marceline (Olivia Olson), BMO (Niki Yang), and others.