Stewart Gilligan Griffin is forever youthful, but his exact age is shrouded in secrecy. It's unclear the exact number of years Stewie became existing. The baby persona from the animated television show "Family Guy" is forever young. His number of years is yet to be revealed.
Stewart Gilligan Griffin, the clever little troublemaker, is hiding his true age from the world. Speculation is rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he a recent arrival? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his hidden age and youthful appearance.