Frederick Poeklemacher, better known as Dr. Schadenfreude, is the central antagonist of the 2008 rendered 3D film Igor by MGM.
He is an evil scientist and Dr. Glickenstein's former partner in-crime who wants to overthrow his enemy, King Malbert and rule all of Malaria. Despite being an evil scientist, he has never really invented anything, and constantly steals inventions from other scientists and passes them off as his own. He also has his vain girlfriend named Jaclyn, who can change into different people by having a certain pill.
He was voiced by Eddie Izzard.