Stewie Griffin WikipediaStewie is ageless, but his specific age is shrouded in secrecy. It's unclear the specific duration of time Stewie has been living. The toddler persona from the animated television show "Family Guy" is immortal. His time on Earth is yet to be revealed.
Stewart Gilligan Griffin, the clever little troublemaker, is keeping his age a secret from the world. Speculation runs rampant as to how many
years he has been alive. Is he ancient beyond measure? Or is he a recent arrival? The answer is known only to Stewie! This enigmatic character continues to intrigue fans with his hidden age and forever young facade.