Stewart Gilligan Griffin is forever youthful, but his exact age remains a mystery. It's unknown the exact number of years Stewie became existing. The toddler persona from the animated television show "Family Guy" is age-defying. His time on Earth is still revealed.
Stewart Gilligan Griffin, the clever little troublemaker, is hiding his true age from the world. Speculation is rampant as to how many years he has been alive. Is he over a hundred years old? Or is he a newcomer? Only Stewie knows! This enigmatic character continues to mesmerize fans with his unrevealed age and forever young facade.