Stewart Gilligan Griffin is timeless, but his exact age is shrouded in secrecy. It's unknown how old Stewie has been existing. The infant persona from the animated television show "Family Guy" is age-defying. His time on Earth is yet to be discovered.
Stewart Gilligan Griffin, the cunning infant prodigy, is keeping his age a secret from the world. Speculation runs rampant as to the length of time he has existed. Is he over a hundred years old? Or is he fresh to the world? The answer is known only to Stewie! This enchanting character continues to mesmerize fans with his undisclosed age and youthful appearance.