While in the original 'Friday', it was his creepy mum behind the killings, but in the many, many sequels and the remake, Jason took centre-stage.
A neglected kid who drowned at summer camp, he came back to life with a vengeance (and a hockey mask) to punish fun-loving camp counsellors who were too busy indulging in various vices to notice the increasing body count.
Killer line: (as spoken by Mrs Voorhees) "Kill her, Mommy! Kill her! Don't let her get away, Mommy! Don't let her live!"
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.