Tags: Soap Character.
Jack Harcourt Deveraux and Jennifer Rose Horton are fictional characters and a supercouple from the NBC daytime drama Days of our Lives whose history spans from 1989 until 2006. The two have been portrayed by more than one actor/actress since their inception but were originally most recently and most famously portrayed by Matthew Ashford and Melissa Reeves. Fans have nicknamed the couple J&J or JnJ (for Jack and Jennifer) on internet message boards.