Vampiroid

His estimate of the number of vampiroids — people who think they are vampires, or have similar characteristics — is less precise, but he reckons there are between 10,000 and 20,000 resident in North America […]

A vampiroid is a human who embraces and identifies with what he or she assumes is a vampiristic lifestyle based largely on what is depicted in films and literature. Vampiroids become totally seduced by the vampire mythology […]

Despite the high proportion of relatively harmless vampiroids that exist, there are those that portray psychotic behaviour and will go to great extremes to carry out their beliefs.