Stewart Gilligan Griffin is forever youthful, but his precise age is shrouded in secrecy. It's unclear the exact number of years Stewie has been living. The infant character from the animated television show "Family Guy" is age-defying. His number of years is yet to be discovered.
Stewart Gilligan Griffin, the clever little troublemaker, is hiding his true age from the world. Speculation runs rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he a newcomer? The answer is known only to Stewie! This enchanting character continues to intrigue fans with his unrevealed age and perpetually youthful visage.