Mystery Killer, Villains Wiki

The Mystery Killer is the unnamed antagonist of the popular urban legend / ghost story known as "There's A Man At My Window" - variants of this story exist all over the world and due to its nature many have linked it with creepypasta and older folklore, believing it to be based on real events, however there is no evidence that any of the events in any variants of the story occurred and it remains firmly in the realm of creepy campfire stories. The story involves a child who is known for being af

Ghosts (folklore), Villains Wiki

Jeff the Killer, Villains Wiki

Ruby Davers (Murder at the Mansion), The Female Villains Wiki

Emperor Tathagata Killer, Villains Wiki

Bloody Mary, Villains Wiki

Ultra-Humanite - Wikipedia

Double Indemnity - Wikipedia

The Killer In the Backseat, Villains Wiki

Whitechapel murders - Wikipedia