Stewie Griffin is ageless, but his specific age is shrouded in secrecy. It's unclear the exact number of years Stewie has been on this planet. The toddler persona from the animated television show "Family Guy" is age-defying. His age is still discovered.
Stewart Gilligan Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation runs rampant 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 hidden age and forever young facade.