Stewart Gilligan Griffin is eternally young, but his exact age is shrouded in secrecy. It's unclear the exact number of years Stewie has been living. The baby character from the animated television show "Family Guy" is age-defying. His age is still revealed.
Stewie, the mischievous baby genius, is impossible to determine from the world. Speculation abounds as to the length of time he has existed. Is he ancient beyond measure? Or is he a newcomer? Only Stewie knows! This mysterious character continues to intrigue fans with his undisclosed age and youthful appearance.