<P> Daniel Paul "Danny" Tamberelli (born February 8, 1982) is an American actor, comedian and musician . He is best known for his roles as Arnold Perlstein in The Magic School Bus, Little Pete in The Adventures of Pete and Pete and Jimmy De Santa in Grand Theft Auto V . </P> <P> Tamberelli was born into an Italian American family in Wyckoff, New Jersey . He is a graduate of Hampshire College, where he earned a bachelor's degree in Interdisciplinary Arts focusing on music performance and booking management . </P> <P> Tamberelli's first regular television role, at age 4, was as Sean Novak on the ABC daytime soap Ryan's Hope . He originally appeared from 1986 to 1987, when his character, along with his on - screen parents, were written off the show . However, he returned to the role in the fall of 1988 when the Novak family was brought back, to help close up storylines in preparation for the Ryan's Hope finale in January 1989 . </P> <P> Afterwards, Tamberelli played Jackie Rodowsky on the television series The Baby - Sitters Club . It was around this time that he was cast as Little Pete Wrigley on The Adventures of Pete & Pete, which first began as a series of 60 - second shorts on Nickelodeon in 1990 . After progressing to a batch of specials, Pete & Pete became a regular half - hour sitcom in 1993, and brought Tamberelli much recognition . During this time, he provided the voice for Arnold in The Magic School Bus, as well as appearing in the films Igby Goes Down and The Mighty Ducks . Many may also know him for his work on Nickelodeon's All That, as well as Figure It Out . On Figure It Out, he is known for his famed "head flip," where he would flip his head back after getting slimed to cover the audience in slime, and he was also known on Figure It Out for yelling "I don't know" at the top of his lungs whenever he got confused . He also guest starred, along with Michelle Trachtenberg, on an episode of Space Cases titled "All You Can Eaty ." He also appeared in various toy commercials in the 1980s and 1990s for products such as "Rattle Me Bones" from Ideal Games and Pirate Toys from Lego . Another was for Cinnamon Life in 1994 . In 1999 he played Spike Cipriano in 100 Deeds for Eddie McDowd . In 2006, he appeared in a commercial for Wendy's fast food . </P>

Who plays the voice of michael in gta 5