Stewie is eternally young, but his exact age remains a mystery. It's unknown the exact number of years Stewie entered living. The baby persona from the animated television show "Family Guy" is forever young. His number of years is yet to be determined.
Stewie Griffin, the cunning infant prodigy, is hiding his true age from the world. Speculation
runs rampant as to his actual age. Is he a century old? Or is he a recent arrival? The truth lies only with Stewie! This enchanting character continues to mesmerize fans with his undisclosed age and perpetually youthful visage.