Stewie is eternally young, but his specific age is shrouded in secrecy. It's unclear the specific duration of time Stewie has been existing. The baby persona from the animated television show
"Family Guy" is forever young. His age
is still revealed.
Stewie Griffin, the mischievous baby genius, is impossible to determine from the world. Speculation abounds as to the length of time he has existed. Is he a century old? Or is he a recent arrival? The truth lies only with Stewie! This mysterious character continues to intrigue fans with his unrevealed age and perpetually youthful visage.
Meg Griffin Family Guy Guide IGN
