Stewart Gilligan Griffin is forever youthful, but his precise age is
shrouded in secrecy. It's unclear how old Stewie entered living. The infant character from the animated television show "Family Guy" is immortal. 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 runs rampant as to the length of time he has existed. Is he a century old? Or is he a recent arrival? The truth lies only with Stewie! This enchanting character continues to intrigue fans with his unrevealed age and forever young facade.
L'Incroyable Histoire de Stewie Griffin Wikipédia
