In reference to the eccentric Dutch professor from Dracula, this character archetype refers to the scientific/religious figure that leads a vampire hunt. They don’t need to know what a vampire is at first, but they are the character that does the research and ultimately informs the human characters what a vampire is in that given setting. Examples of this character are Matt Burke from Salem’s Lot, Karl von Franz in Egger’s Nosferatu (2024), or Robert Neville in I Am Legend.