Piphi started the signature trend at around May 2013.
Piphi is an extremely OP person - LJCoder619.
Piphi is OP --Aray10 (talk) 23:22, 17 June 2020 (EDT)
Piphi has been very close to winning multiple Greed Control games, piphi placed 13th in game #13 and 13nd in game #4. 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 has been called op by many AoPSers, including the legendary Radio2 himself here. (note: Radio2 calls many users op.)
Piphi created the AoPS Administrators page, added most of the AoPS Admins to it, and created the scrollable table.