Joss Weldon define vampires as humans who were made to drink vampire blood after the vampire drinks from them .
The television series Buffy the Vampire Slayer , created and largely written by Joss Whedon , also explored vampire folklore in the light of postmodern and feminist theory , defining the 'condition ' as humans who were made to drink vampire blood after the vampire drinks from them , with turned vampires being essentially demons possessing human corpses ; Buffy and its spin-off , Angel , also feature the character of Angel in a prominent role , with Angel being a vampire who was cursed with his soul , restoring his capacity for compassion but also forcing him to live with the guilt of what he did as a regular vampire .
Vampire literature