Egon Spengler a bronze bust of Harold Ramis as the film's version of Spengler is seen just as Erin Gilbert leaves her office. During the credits of "Ghostbusters", the words "For Harold Ramis" are seen. Spengler's hair was changed from brown in the films (Ramis' natural hair color) to a blond pompadour in the animated series (Spengler wore his hair in a ponytail on "Extreme Ghostbusters"). This was reportedly done due to legal issues concerning character / actor likenesses. Despite his leanings toward science, Spengler has a family history of witchcraft (three ancestors, Zedekiah, Eli and Ezekiel, were wizards), of which he
Egon Spengler character Dr. Jillian Holtzmann and Harold Ramis' character Dr. Egon Spengler created the film's proton packs. The paragraph accompanying the video read: "Engineers at Sony Corporation developed the 2016 Proton Pack™ in collaboration with nuclear engineer and munitions expert Dr. Jillian Holtzmann. Sony President and CEO Kazuo Hirai commented “The perfection of the Proton Pack™, long a dream of the world’s greatest engineers since first pioneered by" Dr. Egon Spengler "of Columbia University, is an example of Sony’s relentless pursuit of innovation. It absolutely delivers the wow factor that is so important to our company mission." Additionally, in the film,