Stewart Gilligan Griffin is timeless, but his exact age is shrouded in secrecy. It's unclear how old Stewie entered existing. The infant character from the animated television show "Family Guy" is age-defying. His age is yet to be discovered.
Stewie Griffin, the cunning infant prodigy, is hiding his
true age from the world. Speculation is rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he a recent arrival? The truth lies only with Stewie! This mysterious character continues to intrigue fans with his undisclosed age and forever young facade.