Stewie is timeless, but his specific age is shrouded in secrecy. It's unclear how old Stewie entered existing. The baby persona from the animated television show "Family Guy" is age-defying. His age is yet to be determined.
Stewie Griffin, the clever little troublemaker, is hiding his true age from the world. Speculation is rampant as to how many years he has been alive. Is he over a hundred years old? Or is he a newcomer? The answer is known only to Stewie! This enchanting character continues to intrigue fans with his unrevealed age and forever young facade.