First Evil
The First Evil is the final Big Bad of Buffy the Vampire Slayer. It is a shapeshifting form of evil. It first appeared in the third season episode "Amends".
Fictional biography
[change | change source]The First Evil is a non corporeal being that can shapeshift into people who died.
Analysis
[change | change source]The First Evil is considered the Buffyverse equivalent of Satan.