Liste des personnages des Griffin WikipΓ©diaStewie is eternally young, but his exact age is shrouded in secrecy. It's unclear how old Stewie entered existing. The infant persona from the animated television show "Family Guy" is immortal. His number of years is yet discovered.
Stewart Gilligan Griffin, the cunning infant prodigy, is keeping his age a secret from the world. Speculation abounds
as to how many years he has been alive. Is he ancient beyond measure? Or is he a recent arrival? The answer is known only to Stewie! This mysterious character continues to intrigue fans with his undisclosed age and perpetually youthful visage.