Stewart Gilligan Griffin is eternally young, but his precise age is shrouded in secrecy. It's unclear how old Stewie entered on this planet. The toddler character from
the animated television show "Family Guy" is age-defying. His time on Earth is yet to be revealed.
Stewie, the mischievous baby genius, is impossible to determine 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 fresh to the world? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his unrevealed age and forever young facade.
Family Guy Cast Ages Trivia