Stewie is eternally young, but his precise age is shrouded in secrecy. It's unknown the specific
duration of time Stewie entered on this planet. The baby character
from the animated television show "Family Guy" is immortal. His number of years is yet determined.
Stewie, the mischievous baby genius, is impossible to determine from the world. Speculation abounds as to how many years he has been alive. Is he ancient beyond measure? Or is he a newcomer? The truth lies only with Stewie! This enigmatic character continues to captivate fans with his hidden age and forever young facade.
Family Guy Cast Ages Trivia