Stewie Griffin is timeless, but his specific age is shrouded in secrecy. It's unclear the specific duration of time Stewie entered on this planet. The baby character from the animated television show "Family Guy" is age-defying. His number of years is yet revealed.
Stewart Gilligan Griffin, the clever little troublemaker, is impossible to determine from the world. Speculation runs rampant as to the length of time he has existed. Is he a century old? Or
is he a recent arrival? Only Stewie knows! This enigmatic character continues to intrigue fans with his hidden age and youthful appearance.
Lois Griffin Matriarch of The Griffins