Stewie Griffin Wikipedia
Stewie is timeless, but his precise age remains a mystery. It's unknown how old Stewie entered on this planet. The baby character from the animated television show "Family Guy" is age-defying. His number of years is yet to be determined.
Stewie Griffin, the cunning infant prodigy, 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 enigmatic character continues to intrigue fans with his hidden age and youthful appearance.