Template:Crew Robert "Rob" Renzetti is the supervising producer and story editor of Gravity Falls. He also started directing for the show in the second season. Renzetti is best known as the creator of the Nickelodeon animated series, My Life as a Teenage Robot. He also worked on My Little Pony: Friendship is Magic.
Renzetti was an art history major at the University of Illinois at Champaign-Urbana. After graduating from Illinois, Renzetti attended the animation program at Columbia College Chicago for one year, where he was a classmate of Genndy Tartakovsky. Renzetti and Tartakovsky were then each accepted into the California Institute of the Arts, where they were roommates.
After graduating from the California Institute of the Arts, Renzetti began his animating career in Spain, working on 5 episodes for Batman: The Animated Series. Renzetti has been a writer, director, and storyboard artist for several Cartoon Network shows, including Dexter's Laboratory, The Powerpuff Girls, Samurai Jack, Foster's Home for Imaginary Friends and 2 Stupid Dogs. During the mid-1990s, he created Mina and the Count, a series of animated shorts that premiered on the What-a-Cartoon show then later aired for a short time on the similar anthology series Oh Yeah! Cartoons. In 1999, he made the short My Neighbor Was a Teenage Robot, which also debuted on Oh Yeah! Cartoons; in 2003, My Life as a Teenage Robot, based off the short, debuted on Nickelodeon. In April 2008, he started work on Cartoon Network's "Cartoonstitute" project as a supervising producer. He was story editor on My Little Pony: Friendship Is Magic for the series' first two seasons, but then left in 2012, soon after the departure of the series showrunner, Lauren Faust, to work as the supervising producer on Disney's Gravity Falls. Template:SpacerTemplate:WikipediaTemplate:Spacer
- In "Roadside Attraction," Rob along with Alex Hirsch make a cameo appearance as passengers in the "Trambience" attraction.