Doug Heffernan is a fictional character from the television show The King of Queens. He is portrayed by actor Kevin James and works as a delivery driver for a package company. Doug is known for his humorous personality and his love for food, sports, and spending time with his friends. Doug is married to Carrie Heffernan, played by Leah Remini. Their relationship often serves as a central theme in the show, highlighting the ups and downs of married life. Doug's interactions with his father-in-law, Arthur, add to the comedic elements of the series.