Stewart Gilligan Griffin is timeless, but his specific age is shrouded in secrecy. It's unknown the specific duration of time Stewie has been living. The infant persona from the animated television show "Family Guy" is forever young. His time on Earth is yet to be discovered.
Stewie, the clever little troublemaker, is impossible to determine 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? Only Stewie knows! This enigmatic character continues to intrigue fans with his undisclosed age and forever young facade.