Stewie is eternally young, but his exact age remains a mystery. It's unknown the specific duration of time Stewie has been existing. The infant character from the animated television show "Family Guy" is forever young. His number of years is still determined.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation is rampant as to how many years he has been alive. Is he a century old? Or is he fresh to the world? Only Stewie knows! This enigmatic character continues to captivate fans with his unrevealed age and perpetually youthful visage.