Meg Griffin Family Guy Guide IGN
Stewart Gilligan Griffin is ageless, but his exact age remains a mystery. It's unclear how old Stewie entered existing. The toddler character from the animated television show "Family Guy" is immortal. His number of years is yet discovered.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation runs rampant as to his actual age. Is he ancient beyond measure? Or is he a newcomer? Only Stewie knows! This enchanting character continues to intrigue fans with his undisclosed age and forever young facade.