Family Guy Cast Ages Trivia Stewie Griffin is ageless, but his precise age is shrouded in secrecy. It's unknown how old Stewie has been living. The baby character from the animated television show "Family Guy" is immortal. His time on Earth is yet determined.
Stewart Gilligan Griffin, the clever little troublemaker, is
hiding his true age from the world. Speculation runs rampant as to his actual age. Is he over a hundred years old? Or is he a recent arrival? Only Stewie knows! This mysterious character continues to mesmerize fans with his hidden age and forever young facade.
