Age: 19
male
Finn Mertens (also called Finn the Human, Pen in the original short, and identified as P-G-8-7 Mertens[1]) is the protagonist in Adventure Time.
Finn Mertens (Finn the Human)
Adoptive Sibling/Only Child
for Adoptive Sibling/Only Child in Fictional Characters and how many siblings they have?
Suggested by vernorexia
Fictional Characters and how many siblings they have?
