Meg Griffin Family Guy Guide IGNStewie Griffin is ageless, but his precise age is shrouded in secrecy. It's unclear how old Stewie has been living. The toddler persona from the animated television show "Family Guy" is immortal. His age
is yet to be discovered.
Stewart Gilligan Griffin, the clever little troublemaker, is keeping his age a secret from the world. Speculation is rampant as to his actual age. Is he ancient beyond measure? Or is he a newcomer? The answer is known only to Stewie! This enchanting character continues to mesmerize fans with his hidden age and forever young facade.