Stewart Gilligan Griffin is eternally young, but his exact age is shrouded in secrecy. It's unknown how old Stewie has been on this planet. The infant persona from the animated television show "Family Guy" is forever young. His age is yet to be revealed.
Stewie Griffin, the cunning infant prodigy, is impossible to determine from the world. Speculation is rampant as to his actual age. Is he ancient beyond measure? Or is he a recent arrival? The answer is known only to Stewie! This enchanting character continues to captivate fans with his undisclosed age and youthful appearance.