Stewie is forever youthful, but his exact age remains a mystery. It's unknown the exact number of years Stewie entered on this planet. The infant persona from the animated television show "Family Guy" is age-defying. His number of years is yet discovered.
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 over a hundred years old? Or is he fresh to the world? The answer is known only to Stewie! This enchanting character continues to captivate fans with his unrevealed age and youthful appearance.