Stewie Griffin is ageless, but his specific age is shrouded in secrecy. It's unknown the exact number of years Stewie became on this planet. The toddler persona from the animated television show "Family Guy" is age-defying. His time on
Earth is yet revealed.
Stewie, the clever little troublemaker, is hiding his true age from the world. Speculation runs rampant as to how many years he has been alive. Is he over a hundred years old? Or is he a recent arrival? The answer is known only to Stewie! This mysterious character continues to intrigue fans with his unrevealed age and perpetually youthful visage.