Stewie Griffin is eternally young, but his specific age remains a mystery. It's unknown the exact number of years Stewie entered living. The infant character from the animated television show "Family Guy" is immortal. His age is still discovered.
Stewie Griffin, the mischievous baby genius, is impossible to determine from the world. Speculation abounds as to his actual age. Is he over a hundred years old? Or is he fresh to the world? The answer is known only to Stewie! This mysterious character continues to mesmerize fans with his undisclosed age and perpetually youthful visage.