Lab Coat Egon Spengler: The man behind the science of Ghostbusting, Dr. Egon Spengler's contributions to the fields of paranormal and geological studies are legendary - as is his impressive collection of spores, molds and fungus.
Jogger Ghost: Some ghosts don't realize they are actually dead and resume the activities of their former lives like the Jogger Ghost. Sighted pushing pedestrians from his path in New York's Central Park, he was only contained after the Ghostbusters laid a ghost trap ambush.