How Old Is Genos in Fullmetal Alchemist Brotherhood

It seems there might be a slight mix-up in characters, as Genos, the powerful cyborg from One-Punch Man, isn't actually a character in Fullmetal Alchemist Brotherhood. Instead, Fullmetal Alchemist Brotherhood (FMA:B) features an incredible cast of its own, each with rich backstories and compelling age progressions that contribute to its celebrated narrative. While Genos may not appear, the world of FMA:B is filled with memorable individuals whose ages often reflect their experiences, responsibilities, and emotional development....