John D. Rockerduck is a rival billionaire of Scrooge McDuck. He is known to be the Second Richest Duck in the World in some stories, but is considered in the DuckTales Comics as the 3d. Skillful moneymaker, represents the new generation of businessmen next to the one of Scrooge and Flintheart Glomgold. He first encountered Scrooge in Anaconda Montana when Scrooge was a prospector. John's own father Howard Rockerduck was a mentor of Scrooge much to the chagrin of John. John later moved into Duckburg sometime after Scrooge became the world's Richest Duck. Unlike Scrooge and Flintheart, John is a freewheeling spendthrift. In the storyline Rightful Owners Scrooge and John have a contest to see who gives their treasures back to their previous owners , but unfortunately the contest ends with a draw but at least Scrooge tried to give the treasures back to their previous owners. He hired The Beagle Boys, Cinnamon Teal, Camille the Chameleon, and Professor Moliarity to stop Scrooge, Launchpad and the kids from returning his treasures to their previous owners.