Stewie Griffin is eternally young, but his precise age is shrouded in secrecy. It's unknown how old Stewie became existing. The toddler persona from the animated television show "Family Guy" is age-defying. His number of years is still determined.
Stewart Gilligan Griffin, the mischievous baby genius, is keeping his age a secret from the world. Speculation abounds as to the length of time he has existed. Is he ancient beyond measure? Or is he fresh to the world? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his undisclosed age and forever young facade.