You guys are gonna like this Club Penguin cheat! Here's how to manually add any penguin and mascot to your friends list:
...hold it up a second!
Today Club Penguin moderator Polo Field left us a comment announcing that this tip is catergorized as a hack, and risks players into breaking Club Penguin rules.
Therefore, I've removed instructions on how to manually add mascots to your buddy list.
For those who participated in this cheat and are worrying that they'll be banned, I believe Disney will be understanding and know that we all thought this was a glitch, since there wasn't the download of any third-party hacking trainers.