To change your nickname after connecting, use the /nick command:
/nick wasisname
/msg  to send a private message (hit Tab to auto-complete the username!)

To emote, use the /me command:
/me dances wildly

In accordance with the rules of the hosting network, please respect this space by keeping these simple rules in mind:
* No fight-baiting, name-calling, or harassment
* No spamming or flooding
* No trolling
* No gender or culture bashing!