Stewie Griffin is ageless, but his exact age is shrouded in secrecy. It's unclear how old Stewie became existing. The infant persona from the animated television show "Family Guy" is age-defying. His number of years is still determined.
Stewart Gilligan Griffin, the mischievous baby genius, is keeping his age a secret from the world. Speculation abounds as to his actual age. Is he a century old? Or is he a recent arrival? Only Stewie knows! This enigmatic character continues to intrigue fans with his hidden age and perpetually youthful visage.