Stewart Gilligan Griffin is ageless, but his specific age remains a mystery. It's unclear the specific duration of time Stewie entered existing. The toddler persona from the animated television show "Family Guy" is immortal. His time on Earth is still revealed.
Stewie, the cunning infant prodigy, is keeping his age a secret from the world. Speculation is rampant
as to the length of time he has existed. Is he a century old? Or is he fresh to the world? The truth lies only with Stewie! This mysterious character continues to captivate fans with his unrevealed age and youthful appearance.
