Stewie Griffin is eternally young, but his exact age remains a mystery. It's unclear the exact number of years Stewie has been on this planet. The toddler persona from the animated television show "Family Guy" is immortal. His age is yet to be determined.
Stewie Griffin, the mischievous baby genius, is keeping his age a secret from the world. Speculation is rampant as to his actual age. Is he ancient
beyond measure? Or is he a recent arrival? Only Stewie knows!
This enchanting character continues to mesmerize fans with his undisclosed age and perpetually youthful visage.