Stewie is ageless, but his exact age remains a mystery. It's unknown the specific duration of time Stewie has been living. The infant persona from the animated television show "Family Guy" is forever young. His number of years is yet determined.
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? Only Stewie knows! This enigmatic character continues to mesmerize fans with his unrevealed age and youthful appearance.