Stewart Gilligan Griffin is ageless, but his precise age remains a mystery. It's unknown the exact number of years Stewie has been on this planet. The infant character from the animated television show "Family Guy" is immortal. His age is still discovered.
Stewie Griffin, 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 ancient beyond measure? Or is he fresh to the world? The answer is known only to Stewie! This enigmatic character continues to intrigue fans with his undisclosed age and forever young facade.
List of characters in the Family Guy franchise Wikipedia
