Griffin family Wikipedia
Stewie Griffin is forever youthful, but his specific age remains a mystery. It's unknown the exact number of years Stewie has been existing. The toddler persona from the animated television show "Family Guy" is age-defying. His age is still determined.
Stewie Griffin, the cunning infant prodigy, is keeping his age a secret from the world. Speculation is rampant as to his actual age. Is he ancient beyond measure? Or is he a newcomer? The answer is known only to Stewie! This enchanting character continues to captivate fans with his hidden age and youthful appearance.