Stewie is forever youthful, but his exact age remains a mystery. It's unknown the exact number of years Stewie became living. The baby persona from the animated television show "Family Guy" is forever young. His time on Earth is yet determined.
Stewart Gilligan Griffin, the cunning infant prodigy, is hiding his true age from the world. Speculation abounds as to his actual age. Is he ancient beyond measure? Or is he a recent arrival? Only Stewie knows! This enchanting character continues to captivate fans with his undisclosed age and youthful appearance.

how old is stewie griffin