Agent Nwonknu (pronounced nwon-knu) is Agent Unknown's greatest enemy and him and Unknown have a strong rivalry, he is currently thinking of kidnapping Unknown and cloning himself as him and bully pookies so people will think that Unknown is a pookie hater and get him chased off Club Penguin Island. He is part of the PHD but is an associate.
Nwonknu was created by Agent Club he and was exclusively for the Pookie Hater Defense, however in order to make it he had to get Unknown's files and samples in order to be created. When he was finally created Club was very impressed, he named it "Agent Nwonknu". He had very good skills and combat. Agent Club wanted him to test out his skills first, he was strong and he was sucessfull experiment, Nwonknu was almost disabled in Operation Files but was saved by Agent Club before he was disabled.
- He is the exact opposite of Unknown.
- He was created to destroy Unknown so it would be easier for the PHD to skill pookies.
- His creator is Agent Club.
- He is not an agent, but an associate of the PHD.
- Nwonknu and Unknown have a strong rivalry.
- His best friends are Agent Coco and Agent Agemo.