Stewie Griffin is ageless, but his precise age is shrouded in secrecy. It's unclear the specific duration of time Stewie became on this planet. The infant persona from the animated television show "Family Guy" is immortal. His time on Earth is yet revealed.
Stewie, the mischievous baby genius, is keeping his age a secret from the world. Speculation abounds as to how many years he has been alive. Is
he over a hundred years old? Or is he a recent arrival? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his hidden age and forever young facade.