Because people think that vampires are interesting. Vampires are also the most read topic besides romance because of the famous Twilight series. Authors like to use their ideas to create a vampire's thoughts and reality.
In stories, vampires were people before they became vampires. In reality, no, nor visa versa. There are some people who pretend to be vampires, but this does not make them vampires.
In stories, movies, and folklore. In reality, vampires do not exist.
People like to make up scary stories.
They live in myths stories and legends created by people
Vampires are mythical creatures used in stories purely for entertainment value. While there are people who would like for others to believe that vampires are real, they are in fact not. Vampires are make believe.
People who write do it because they enjoy it. People who write children's stories like doing it, and they like entertaining children.
No. Vampires are not real and do not exist beyond stories and myth. Some people THINK they are vampires but they need help.
Truly, vampires do not exist, but some people can suffer from diseases that make you crave blood or be very sensitive to sunlight. People saw that and exaggerated the truth into stories of vampires.
Authors. People who want to write stories.
Vampires get blood from anyone who is present in most stories. Though in some more recent tales human volunteer to be donors for them.
No there are no vampires. Vampires are NOT real and only exist in movies and stories.
Stories, movies, television shows, and folklore. Vampires are not real.