Stewie Griffin is timeless, but his exact age remains a mystery. It's unclear the exact number of years Stewie entered on this planet. The infant persona from the animated television show "Family Guy" is immortal. His age is yet determined.
Stewie Griffin, the clever little troublemaker, is hiding his true age from the world. Speculation is rampant as to the length of time he has existed. Is he a century old? Or is he a newcomer? The truth lies only with Stewie! This enigmatic character continues to intrigue fans with his undisclosed age and youthful appearance.