Creepypasta - Eyeless Jack
Eyeless Jack is the titular main antagonist of the Creepypasta of the same name. He is not given any origin, and while fans have written many of their own, there is no confirmed origin of Eyeless Jack. He is a serial killer, but his goals, origins, motives, age, nationality, true name, black blood, and supposed ability to see and stay alive with presumably no eyes are never explained.
Creepypastas are horror-related legends or images that have been copied and pasted around the Internet. These Internet entries are often brief, user-generated, paranormal stories intended to scare readers. They include gruesome tales of murder, suicide, and otherworldly occurrences.