Leonard Washington
Superstar
In the book, Will Smith's character goes around during the day slaughtering "vampires" while they sleep and you find out at the end that these people weren't really vampires at all, and had managed to live with the virus and even maintain some semblance of a society whose only real threat was this maniac going around killing innocent people during the day. He ends up being the "Legend" in question...like the Boogeyman. He's arrested and put to death for his crimes.
they shoulda just rolled with that