Egon Spengler does not have much social ability, as demonstrated by his stiff interactions with the Ghostbusters' secretary Janine Melnitz, and his reliance on Peter Venkman as spokesperson for the group. Spengler is the most serious and rigid member of the team. Of his hobbies, Spengler states that he collects "spores, molds, and fungus", and claims that, as a child, the only toy he ever had was "part of a Slinky", which he straightened out. As implied in the first movie, Spengler apparently is a sugar junkie, due to his affection for sweets and candy. According to the 2009 video game, Spengler
Egon Spengler of Spengler's genius, tries to make him come back to Ohio (where Spengler grew up) to work at his uncle's lab, but fortunately, after his uncle accidentally releases the Stay Puft Marshmallow Man from the containment unit, he realizes that ghosts are real and accepts Spengler's work. Throughout the series, Spengler would have his soul switched with that of a demon, have his molecular structure destabilized to the point that it stranded him in the Netherworld (requiring him to be rescued by the others), experience a curse-induced age regression that nearly destroyed him, turn into a were-chicken, and have his