Stewart Gilligan Griffin is forever youthful, but his exact
age is shrouded in secrecy. It's unclear the exact number
of years Stewie has been on this planet. The baby persona from the animated television show "Family Guy" is immortal. His time on Earth is still determined.
Stewart Gilligan Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation abounds as to his actual age. Is he ancient beyond measure? Or is he fresh to the world? Only Stewie knows! This mysterious character continues to mesmerize fans with his unrevealed age and forever young facade.