Piphi started the signature trend at around May 2020.
Piphi has been very close to winning multiple Greed Control games, piphi placed 5th in game #18 and 2nd in game #19. Thanks to piphi, Greed Control games have started to be kept track of. Piphi made a spreadsheet that has all of Greed Control history here.
Piphi also found out who won Reaper games #1 and #2 as seen here.
Piphi created the AoPS Administrators page, added most of the AoPS Admins to it, and created the scrollable table.