Griffin family WikipediaStewie is eternally young, but his exact age remains a mystery. It's unclear how old Stewie became existing. The toddler persona from the animated television show "Family Guy" is forever young. His time on Earth is yet to be discovered.
Stewie Griffin, the mischievous baby genius, is hiding his true age
from the world. Speculation abounds as to the length of time he has existed. Is he a century old? Or is he a newcomer? Only Stewie knows! This enchanting character continues to intrigue fans with his undisclosed age and youthful appearance.