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In the movie, Hiro, Go Go, Honey Lemon, Wasabi, and Fred join forces with Baymax to stop Yokai Aka Professor Robert Callaghan. He stole Hiro's mind-controllable microbot technology to avenge his daughter, lost in an experiment gone wrong. While Big Hero 6 is one of Disney's new classics, Callaghan left us asking some big questions about his villainous motivations. Here are ten things about him that make no sense.