Stewie Griffin is one of the main characters in Family Guy. He has passing fantasies of committing matricide. His mother is Lois Griffin. His father is Peter Griffin. His brother is Chris Griffin, and his sister is Meg Griffin. Stewie Griffin is a baby. | Stewie Griffin is one of the main characters in Family Guy. He has passing fantasies of committing matricide. His mother is Lois Griffin. His father is Peter Griffin. His brother is Chris Griffin, and his sister is Meg Griffin. Stewie Griffin is a baby. |