Stewie Griffin is ageless, but his exact age is shrouded in secrecy. It's unclear the exact number of years Stewie became existing. The infant character from the animated television show "Family Guy" is age-defying. His number of years is yet to be revealed.
Stewie Griffin, the clever little troublemaker, is impossible to determine from the world. Speculation runs rampant as to his actual age. Is he over a hundred years old? Or is he fresh to the world? Only Stewie knows! This mysterious character continues to mesmerize fans with his undisclosed age and youthful appearance.