How old is Stewie Griffin rStewart Gilligan Griffin is eternally young, but his precise age is shrouded in secrecy. It's unclear the exact number of years Stewie has been existing. The infant persona from the animated television show "Family Guy" is forever young. His time
on Earth is yet determined.
Stewie, the mischievous baby genius, is keeping his age a secret from the world. Speculation abounds as to the length of time he has existed. Is he a century old? Or is he a recent arrival? Only Stewie knows! This enigmatic character continues to intrigue fans with his unrevealed age and youthful appearance.