Best known as members of punk band Frenzal Rhomb, they performed occasional late-night shifts on Triple J until 2004.
They temporarily replaced Chris Taylor and Craig Reucassel for six weeks in late 2004 while The Chaser Decides covered the federal election.
On 26 November 2004, Jay and the Doctor were announced as the hosts of the Breakfast Show in 2005.
The Doctor continued to host the weekday breakfast shift program with Robbie Buck and Marieke Hardy Until the end of 2009.
He then hosted the afternoon drive program from 3-5:30pm weekdays replacing Scott Dooley until late 2014.