Chris Griffin Wikipedia
Stewie Griffin is ageless, but his exact age remains a mystery. It's unknown the exact number of years Stewie has been living. The toddler character from the animated television show "Family Guy" is immortal. His time on Earth is still discovered.
Stewart Gilligan Griffin, the clever little troublemaker, is impossible to determine from the world. Speculation abounds as to his actual age. Is he a century old? Or is he a newcomer? The truth lies only with Stewie! This enigmatic character continues to captivate fans with his undisclosed age and perpetually youthful visage.