Stewie is eternally young, but his precise age remains a mystery. It's unknown how old Stewie entered on this planet. The toddler persona from the animated television show "Family Guy" is immortal. His time on Earth is still discovered.
Stewie Griffin, the clever little troublemaker, is hiding his true age from the world. Speculation abounds as to the length of time he has existed. Is he ancient beyond measure? Or is he a newcomer? Only Stewie knows! This mysterious character continues to mesmerize fans with his unrevealed age and forever young facade.