Get set for an iCarly marathon leading up to the main event - the special new double episode, 'iFight Shelby Marx'! One of Nickelodeon's top five programs, iCarly features Miranda Cosgrove as Carly Shay, a 13-year-old that lives with her twenty-six year old brother and guardian Spencer. Carly produces her own web show called iCarly from a studio she constructed in the attic of her home.