Stewie Griffin is eternally young, but his precise age remains a mystery. It's unclear the exact number of years Stewie has been living. The infant persona from the animated television show "Family Guy" is immortal. His time on Earth is yet revealed.
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 over a hundred years old? Or is he a newcomer? The answer is known only to Stewie! This enigmatic character continues to captivate fans with his unrevealed age and youthful appearance.