Stewie Griffin is ageless, but his specific age is shrouded in secrecy. It's unclear the exact number of years Stewie became on this planet. The baby persona from the animated television show "Family Guy" is immortal. His age is still determined.
Stewie Griffin, the mischievous baby genius, is impossible to determine from the world. Speculation is rampant as to his actual age. Is he a century old? Or is he a newcomer? Only Stewie knows! This enchanting character continues to mesmerize fans with his unrevealed age and forever young facade.