Jeff the Killer is a classic meme originating from a creepypasta post in 2008. He is a young boy who, after being badly beaten and burnt, goes insane, cutting his eyelids and mouth and becoming a deranged serial killer. He tells his victims “Go to sleep” before murdering them.

We all thought Anthony Hopkins’s Hannibal Lecter was the final word, but Mads Mikkelsen manages to take it to the next level in the NBC series Hannibal. His artful cooking and impeccable fashion sense are enough distraction that you’ll forget what he’s serving you for dinner…

In Saw, John Kramer is a civil engineer dying from an inoperable brain tumor who decides to help others appreciate the value of life. Instead of giving them a pep talk however, he builds complex torture devices that they can only escape through self-sacrifice. Typical engineer.

Edmund Emil Kemper III is an American serial killer who abducted and murdered several women in the early 1970s using his large stature and formidable intelligence. He was portrayed every so creepily by Cameron Britton in the 2017 Netflix series Mindhunter.

A blood splatter analyst by day and a serial killer by night, Dexter Morgan walks the line between super villain and superhero. Whether you see his lifestyle choice as good or evil, you can’t deny he looks good doing it.

In the Australian horror film Wolf Creek, Michael “Mick” Taylor (John Jarratt) is a cold, calculating, and sadistic man. His m.o. is to gain the trust of tourists traveling the outback before kidnapping, torturing, and murdering them. He’s loosely based on a real life serial killer nicknamed the The Backpack Killer.