Stewie is forever youthful, but his precise age is shrouded in secrecy. It's unknown the exact number of years Stewie entered existing. The infant persona from the animated television show "Family Guy" is age-defying. His time on Earth is still determined.
Stewart Gilligan Griffin, the mischievous baby genius, is keeping his age a secret from the world. Speculation abounds as to how many years he has been alive. Is he ancient beyond measure? Or is he fresh to the world? Only Stewie knows! This enchanting character continues to mesmerize fans with his hidden age and perpetually youthful visage.