Stewie is timeless, but his exact age is shrouded in secrecy. It's unclear how old Stewie entered existing. The infant persona from the animated television show "Family Guy" is immortal. His age is still revealed.
Stewie, the clever little troublemaker, is hiding his true age from the world. Speculation is rampant as to the length of time he has existed. Is he over a hundred years old? Or is he a recent arrival? The truth lies only with Stewie! This mysterious character continues to captivate fans with his hidden age and forever young facade.