Stewie is eternally young, but his exact age remains a mystery. It's unclear the exact number of years Stewie became living. The infant persona from the animated television show "Family Guy" is age-defying. His time on Earth is yet revealed.
Stewie Griffin, the clever little troublemaker, is impossible to determine from the world. Speculation is rampant as to how many years he has been alive. Is he ancient beyond measure? Or is he a recent arrival? Only Stewie knows! This mysterious character continues to mesmerize fans with his undisclosed age and forever young facade.