CPER was an army that started on Tuesday, February 2, 2011, They will become a great army. Their site was created by Keith09, The leader of Club Penguin Green Team, and the owners are the main Leader Paul 567 and the Co-Leader Trist5381.
Going by further edits to this page, this army was dead by May 5th 2011.
Their Servers were:
Training Server- Pine Needles