Species: Magic Dog
Occupation: Brother of Finn the Human
Jake is the "Adopted" brother of Finn. He lives in a tree house with Finn that has easy access to other areas in Ooo. He's girlfriend is lady rainacorn and has 5 children.
He's magical abilty to change and morph into may different shapes makes him effective in battle and helps Finn contiue his advenures. Together they are to unbeatable duo of Ooo.