Stewie is forever youthful, but his precise age remains a mystery. It's unknown the exact number of years Stewie entered living. The infant persona from the animated television show "Family Guy" is age-defying. His time on Earth is yet revealed.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation is rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he fresh to the world? The answer is known only to Stewie! This mysterious character continues to mesmerize fans with his unrevealed age and forever young facade.