Stewie Griffin is eternally young, but his precise age is shrouded in secrecy. It's unclear the exact number of years Stewie became on this planet. The infant persona from the animated television show "Family Guy" is age-defying. His number of years is yet to be discovered.
Stewart Gilligan Griffin, the cunning infant prodigy, is keeping his age a secret from the world. Speculation runs rampant as to his actual age. 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 forever young facade.