Stewie Griffin is ageless, but his specific age remains a mystery. It's unclear how old Stewie has been on this planet. The toddler persona from the animated television show "Family Guy" is age-defying. His time on Earth is yet discovered.
Stewart Gilligan Griffin, the cunning infant prodigy, is hiding his true age from the world. Speculation runs rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he a recent arrival? The answer is known only to Stewie! This enchanting character continues to mesmerize fans with his undisclosed age and youthful appearance.