Stewie is ageless, but his specific age is shrouded in secrecy. It's unknown the specific duration of time Stewie has been on this planet. The infant character from the animated television show "Family Guy" is forever young. His number of years is yet to be revealed.
Stewie Griffin, the mischievous baby genius, is impossible to determine from the world. Speculation is rampant as to his actual age. Is he ancient beyond measure? Or is he a recent arrival? The truth lies only with Stewie! This enchanting character continues to intrigue fans with his hidden age and youthful appearance.