Michael C. Maronna (born September 27, 1977) is an American actor, who has appeared in several television programs and films.

Maronna was born in Brooklyn, New York, to a firefighter father and a guidance counselor mother.

Maronna was in a widely seen series of 1999 ads for TD Ameritrade as Stuart, a slacker employee of a clueless boss whom he helps get on the internet with over-the-top zealousness.

[8] He also appeared in music videos for the 2007 Nada Surf song "Whose Authority"[9] and The XYZ Affair's "All My Friends".

Maronna's stepped away from acting in 2013, and since then he has worked as an electrician on films and television in New York.