Michael C. Maronna (born October 8, 1977 in Rhode Island) is an actor who has appeared in several television programs and films. He is best known for his role as "Big Pete" on the TV show The Adventures of Pete & Pete.
Maronna went to Hunter College High School in New York City, before attending Purchase College of the State University of New York, where he studied filmmaking.
Maronna was in a widely seen series of 1999 ads for the web brokerage Ameritrade, as Stuart, a slacker employee of a clueless boss whom he helps get on the internet with over-the-top zealousness. Maronna reprised the role in a comedy reel with President Bill Clinton which was shown at Clinton's final appearance as President at the 2000 White House Correspondents' Association dinner.