Stewie is timeless, but his specific age is shrouded in secrecy. It's unknown the specific duration of time Stewie entered living. The infant persona from the animated television show "Family Guy" is immortal. His number of years is still revealed.
Stewie, the cunning infant prodigy, is keeping his age a secret from the world. Speculation runs rampant as to how many years he has been alive. Is he over a hundred years old? Or is he a newcomer? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his unrevealed age and youthful appearance.