Dunkin’ Releases Custom Roy Williams Doughnut to Support Local Charities Posted Mar 9, 2021 Roy Williams has teamed up with Dunkin’ to release a limited-time-only doughnut. The “Ol’ Roy” is Williams’ favorite Dunkin’ doughnut. It will be sold in all participating restaurants throughout North Carolina with 50 cents from each donut sale between March 14-27 going to the UNC Children’s Hospital and Second Harvest Food Bank of Metrolina. (Chapelboro.com)