Welcome to the IRC channel #jungletrolls[]
You can either join via the webchat at http://webchat.quakenet.org/, you don't need to register.
or log onto quakenet.org via an IRC client and join #jungletrolls.
Remember that everyone can use a free nickname. You can can change your name with /nick YourNameHere.
If you want to register your nick, you can only do that via the Q-bot, use /msg Q HELLO youremail@address youremail@address and follow the steps to authenticate.