There are only five moderators in clubpenguin and there really rare to find!
Gizmo:He is usually active on Altitude server. He is in charge of the parties, parades and fun events around Club Penguin.
rsnail: also known as rocket snail is the creator of the cp website.
Screenhog:He is a graphic designer.
Happy77:He is shown on the mini video seen on the official Club Penguin website.On Penguin Chat 3 he was seen at least once as a snail!