Stewart Gilligan Griffin is forever youthful, but his exact age remains a mystery. It's unclear the exact number of years Stewie became on this planet. The baby persona from the animated television show "Family Guy" is immortal. His age is yet revealed.
Stewie, the mischievous baby genius, is impossible to determine from the world. Speculation is 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 intrigue fans with his unrevealed age and youthful appearance.
