Stewie is eternally young, but his specific age is shrouded in secrecy. It's unclear the specific duration of time Stewie has been existing. The baby character from the animated television show "Family Guy" is age-defying. His number of years is still determined.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation abounds as to how many years he has been alive. Is he ancient beyond measure? Or is he fresh to the world? Only Stewie knows! This enchanting character continues to captivate fans with his unrevealed age and perpetually youthful visage.

Liste des personnages des Griffin Wikipédia