Stewie is forever youthful, but his precise age remains a mystery. It's unknown the exact number of years Stewie became living. The infant persona from the animated television show "Family Guy" is age-defying. His age is yet to be discovered.
Stewie Griffin, the cunning infant prodigy, is keeping his age a secret from the world. Speculation is rampant as to the length of time he has existed. Is he a century old? Or is he a newcomer? The truth lies only with Stewie! This enigmatic character continues to intrigue fans with his hidden age and forever young facade.