 It would be revealed in side materials that the Reaper was based from the self-defense program utilized by the SIGINT system known as "ECHELON" and was allegedly created to delete the "Creeper" virus that infected ARPANET.The program continue to act on its programing throughout the 1980s to wipe out virtual lifeforms like the ones produced in the Artificial Life research project "Tierra" whenever its target had multiplied beyond a certain amount of memory.The D-Reaper ended up in the rapidly developing Digital World as a pinkish-red grey goo, predating the Digimon and DigiGnomes it would prey on while resetting the Digital World due to its very small Random Access Memory size at the time.