Finn the Human. Any further parts of his name are unknown.
However, in "Finn the Human" & "Jake the Dog," it was revealed that Finn's last name (in that timeline) is Mertens.
Finn the Human. Any further parts of his name are unknown.
However, in "Finn the Human" & "Jake the Dog," it was revealed that Finn's last name (in that timeline) is Mertens.