Stewart Gilligan Griffin is forever youthful, but his exact age remains a mystery. It's unclear the exact number of years Stewie entered on this planet. The baby character from the animated television show "Family
Guy" is age-defying. His number of years is yet discovered.
Stewart Gilligan Griffin, the mischievous baby genius, is hiding his true age from the world. Speculation runs rampant as to his actual age. Is he ancient beyond measure? Or is he a recent arrival? The truth lies only with Stewie! This mysterious character continues to mesmerize fans with his unrevealed age and youthful appearance.