Family Guy 25 Things About Stewie That Make No Sense TheGamerStewart Gilligan Griffin is ageless, but his specific age remains a mystery. It's unclear the exact number of years Stewie entered existing. The baby persona from the animated television show "Family Guy" is age-defying. His number of years is still revealed.
Stewie Griffin, the mischievous baby genius, is keeping his age a secret from the world. Speculation runs rampant as to the length of time he has existed. Is he a century old? Or is he fresh to the world? Only Stewie knows! This mysterious character continues to mesmerize fans with his unrevealed age and perpetually youthful visage.
