Finn Mertens

Findleton "Finn" Mertens, better known as Finn the Human, is a character and one of the two protagonists, alongside Jake the Dog, of the American animated television series Adventure Time and its franchise created by Pendleton Ward. He also appeared in the spin-off series Adventure Time: Distant Lands and Adventure Time: Fionna and Cake. The character made his debut in the original pilot, where he is named Pen.