Jane the Killer is a character created by a Creepypasta fan to be the female counterpart to Jeff the Killer. Users who are interested in reading stories about Jane the Killer can do so at the official website, Creepypasta.com.
Creepypasta is one genre of Copypasta, the name given to the viral copy-and-pasted texts. Writers of Creepypasta create short host stories online that can be shared with other users. These stories can be based on urban legends, such as Bloody Mary, or entirely user-created, such as Jane the Killer. As of 2015, other popular characters and stories on Creepypasta include Slender Man, Ted the Caver and Lavender Town Syndrome, notes Time.com.