Stewart Gilligan Griffin is ageless, but his specific age is shrouded in secrecy. It's unknown how old Stewie entered on this planet. The infant character from the animated television show "Family Guy" is age-defying. His age is yet discovered.
Stewie, the clever little troublemaker, is hiding his true age from the world. Speculation abounds as to the length of time he has existed. Is he over a hundred years old? Or is he a newcomer? Only Stewie knows! This enchanting character continues to intrigue fans with his unrevealed age and youthful appearance.