Dempster Wiggleswade was a wizard who worked for the Department of Magical Law Enforcement. He also wrote for the Daily Prophet, using his legal expertise to answer some of the questions submitted to the problem page, which also featured responses from Grizel Hurtz, Zamira Gulch, and Helbert Spleen. He strongly advised Buckley Cooper not to take revenge on his brother by turning his children into vampire ferrets. Following the return of Lord Voldemort, he answered security questions from Daily Prophet readers.