This was Chuck Palahniuk's analogue to the Cacophony Society in the book Fight Club and subsequently the major motion picture. The spirit of both organizations is the same, but Project Mayhem has a much more radical and violent approach towards promoting social disruption. The renaming of the group in question is a device often used by authors to incorporate a real world concept into a fictional work allowing the author to alter the concept as he sees fit without a backlash from those who are familiar with the original concept.

See: Finux.