Stewie Griffin is timeless, but his specific age remains a mystery. It's unknown how old Stewie entered existing. The infant persona from the animated television show "Family Guy" is forever young. His age is still determined.
Stewart Gilligan Griffin, the mischievous baby genius, is hiding his true age from the world. Speculation abounds as to how many years he has been alive. Is he a century old? Or is he a recent arrival? The answer is known only to Stewie! This mysterious character continues to mesmerize fans with his hidden age and forever young facade.