Stewie Griffin is ageless, but his specific age is shrouded in secrecy. It's unknown how old Stewie entered existing. The toddler character from the animated television show "Family Guy" is
forever young. His number of years is still discovered.
Stewie Griffin, the cunning infant prodigy, is hiding his true age from the world. Speculation runs rampant as to his actual age. Is he ancient beyond measure? Or is he fresh to the world? Only Stewie knows! This enigmatic character continues to mesmerize fans with his hidden age and perpetually youthful visage.