Stewie Griffin is ageless, but his precise age is shrouded in secrecy. It's unclear the specific duration of time Stewie entered on this planet. The infant persona from the animated television show "Family Guy" is immortal. His age is still discovered.
Stewie, the clever little troublemaker, is hiding his true age from the world. Speculation is rampant as
to the length of time he has existed. Is he over a hundred years old? Or is he fresh to the world? The truth lies only with Stewie! This mysterious character continues to captivate fans with his undisclosed age and youthful appearance.
Chris Griffin Wikipedia
