Stewie is forever youthful, but his specific age remains a mystery. It's unclear how old Stewie became on this planet. The infant character from the animated television show "Family Guy"
is age-defying. His time on Earth is still determined.
Stewie Griffin, the cunning infant prodigy, is hiding his true age from the world. Speculation is rampant as to his actual age. Is he a century old? Or is he fresh to the world? The answer is known only to Stewie! This enigmatic character continues to mesmerize fans with his undisclosed age and perpetually youthful visage.
