How Old Is Gon Freecss in Fullmetal Alchemist Brotherhood

Let's clear the air right away: Gon Freecss, the spirited young Hunter, is not a character who appears in Fullmetal Alchemist Brotherhood. Gon is the beloved protagonist of Yoshihiro Togashi's equally incredible series, Hunter x Hunter. It's easy for fans to mix up details between two powerhouse anime and manga franchises, but rest assured, Gon's adventures take place in a completely different universe than those of Edward and Alphonse Elric....