Stewie is ageless, but his exact age is shrouded in secrecy. It's unclear how old Stewie became on this planet. The toddler persona from the animated television show "Family Guy" is forever young. His
number of years is yet determined.
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 a century old? Or is he fresh to the world? Only Stewie knows! This enigmatic character continues to captivate fans with his hidden age and perpetually youthful visage.