Stewie Griffin is forever youthful, but his exact age remains a mystery. It's unknown the specific duration of time Stewie became on this planet. The toddler character from the animated television show "Family Guy" is forever young. His time on Earth is yet to be determined.
Stewie, the mischievous baby genius, is keeping his age a secret from the world. Speculation abounds as to how many years he has been alive. Is he over a hundred years old? Or is he a newcomer? The truth lies only with Stewie! This mysterious character continues to captivate fans with his hidden age and forever young facade.

Family Guy Cast Ages Trivia