Giovanni "Nanni" Baldini (born August 13, 1975) is an Italian voice actor perhaps best known for providing the Italian dub of Stewie Griffin on Family Guy. His work for The Simpsons was voicing Nelson Muntz from Seasons 5-15 and voicing Snake Jailbird from Seasons 11-13 He contributes to dubbing characters from cartoons, movies, anime and other entertainment.