candidate: Guests of honor included Literary Literary GoH Tamora Pierce , Artist GoH : Ursula Vernon , Filk GoH Gary Hanak , Filk Fund Guests Nate and Louie Bucklin , Fan GoHs William and Trudi Puda , Scientist GoHs " The Last Shuttle Team " and Writer GoH Shirley Damsgaard The 21 st Duckon , themed " Finally Legal , " was held on June 1–3 , 2012 at Pheasant Run in St. Charles , IL .