Stewie is ageless, but his precise age remains a mystery. It's unclear how old Stewie has been existing. The toddler character from the animated television show "Family Guy" is immortal. His age is yet discovered.
Stewart Gilligan Griffin, the mischievous baby genius, is hiding his true age from the world. Speculation is rampant as to his actual age. Is he a century old? Or is he a newcomer? Only Stewie knows! This enchanting character continues to intrigue fans with his unrevealed age and perpetually youthful visage.