Rookie is the Public Relations officer and Comm leader for the EPF and an intern Secret Agent. He is a green (sometimes dark green) penguin always wearing a red propeller cap, and a pair of red sunglasses. Added later to his appearance is his red Hawaiian shirt patterned with white flowers. He appears in Secret Missions #3, #7, #10, and #11, and also Club Penguin.
Rookie made his first appearance on March 26, 2007. His first appearance was in the mission "Case of the Missing Coins" when he is examining the vault. Like most people who are rookies in real-life activities, Rookie makes mistakes that more experienced agents wouldn't. He is also an EPF Agent and former PSA Agent. Rookie was officially released as a mascot on Club Penguin as of March 26, 2011; exactly four years after his debut.
He hosted the April Fools' Party 2012, to find out where Orange Puffles come from. This opened up 2 new dimensions, the Zany Dimension, and the Orange Dimension. He also hosted the Halloween Party 2013. He is the organizer of The Fair 2012, The Fair 2014, the School & Skate Party, and The Fair 2015.
