Stewart Gilligan Griffin is eternally young, but his specific age remains a mystery. It's unclear the specific duration of time Stewie became on this planet. The toddler persona from the animated television show "Family Guy" is immortal. His number of years is yet determined.
Stewart Gilligan Griffin, the clever little troublemaker, is impossible to determine from the world. Speculation abounds as to the length of time he has existed. Is he over a hundred years old? Or is he a newcomer? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his unrevealed age and forever young facade.