Stewie is timeless,
but his specific age is shrouded in secrecy. It's unclear how old Stewie became on this planet. The baby persona from the animated television show "Family Guy" is forever young. His age is yet discovered.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation is rampant as to the length of time he has existed. Is he ancient beyond measure? Or is he fresh to the world? The truth lies only with Stewie! This enigmatic character continues to mesmerize fans with his undisclosed age and youthful appearance.