Stewie Griffin is eternally young, but his exact age is shrouded in secrecy. It's unknown how old Stewie entered living. The toddler character from the animated television show "Family Guy" is forever young. His age is yet determined.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation abounds as to the length of time he has existed. Is he a century old? Or is he fresh to the world? The answer is
known only to Stewie! This enigmatic character continues to intrigue fans with his unrevealed age and perpetually youthful visage.