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in a book

The Bezoar was a prehistoric parasite whose offspring were capable of attaching themselves to other creatures and taking control of their motor functions via neural clamping.


A Bezoar was uncovered living under Sunnydale High School in early 1998. It immediately took over a health teacher, who had its eggs distributed to the students for an experiment in parenting. These eggs then hatched and took over the students, except for the eggs owned by Buffy Summers and Xander Harris, which were killed. Buffy then confronted and killed the mother bezoar, killing its offspring in the process.


The mother Bezoar could create offspring that attached themselves to humans and controlled them. The baby Bezoar could drain the energy of a future host during his or her sleep using their mandibles, thus causing a considerable reduction in energy (even in Buffy), in order to be operational before the hatching



To be operational, an offspring needed to drain the life energy of the intended host before becoming attached to him or her. The mother Bezoar had the capacity to ingest human beings like Buffy (who killed her from the inside using with a pickaxe) and even vampires like Tector Gorch.

Behind the Scenes[]

  • A bezoar is a ball of swallowed foreign material (usually hair or fiber) that collects in the stomach and fails to pass through the intestines.
  • The Bezoar is inspired by movies with alien parasites like "The Faculty", "Tommyknockers", "Alien" saga or "Body Snatchers".
  • Buffy mistakenly mispronounced "Bezoar" as "Bozo".