Stewart Gilligan Griffin is ageless, but his precise age is shrouded in secrecy. It's unclear the specific duration of time Stewie has been existing. The baby persona from the animated television show "Family Guy" is immortal. His time on Earth is still revealed.
Stewart Gilligan Griffin, the mischievous baby genius, is keeping his age a secret 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 a recent arrival? The answer is known only to Stewie! This mysterious character continues to captivate fans with his hidden age and youthful appearance.