Stewie is timeless, but his precise age remains a mystery. It's unknown the exact number of years Stewie became existing. The infant persona from the animated television show "Family Guy" is forever young. His time on Earth is still revealed.
Stewart Gilligan Griffin, the cunning infant prodigy, is keeping his age a secret from the world. Speculation is rampant as to his actual age. Is he over a hundred years old? Or is he fresh to the world? The truth lies only with Stewie! This mysterious character continues to captivate fans with his unrevealed age and perpetually youthful visage.