Stewie Griffin
He is the youngest child of Lois and Peter Griffin. He has two older siblings, Meg and Chris. They are an American family, although Stewie is the only one in his family with a British accent. Seth MacFarlane, is the man responsible for voicing (imitating) and creating the voice for Stewie Griffin. Seth said in an interview that Stewie's voice was inspired by that of Rex Harrison's voice.