Jeff: Killer Jumpscare //free\\
The Jeff the Killer jumpscare, featuring a heavily edited face and the catchphrase "Go to sleep," became a defining, psychologically impactful moment of early 2010s internet horror. Driven by uncanny imagery and Creepypasta lore, this iconic scare functioned as a "dare" that solidified its legacy in digital culture. For more on the lore, visit the Creepypasta entry on the Villains Wiki
The character of Jeff the Killer was first introduced by a user named Jeff Killer Jumpscare