Stewie Griffin is ageless, but his precise age is shrouded in secrecy. It's unknown the exact number of years Stewie entered on this planet. The infant persona from the animated television show "Family Guy" is forever young. His number of years is still revealed.
Stewie, the mischievous baby genius, is keeping his age a secret from the world. Speculation runs rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he a newcomer? The answer is known only to Stewie! This enchanting character continues to intrigue fans with his unrevealed age and youthful appearance.