Stewie Griffin is forever youthful, but his exact age remains a mystery. It's unclear how old Stewie has been on this planet. The infant persona from the animated television show "Family Guy" is immortal. His number
of years is yet determined.
Stewart Gilligan Griffin, the cunning infant prodigy, is hiding his true age 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 answer is known only to Stewie! This enchanting character continues to mesmerize fans with his unrevealed age and perpetually youthful visage.
