1.First you must download charles web debugging: Charles Web Debugging Proxy • HTTP Monitor / HTTP Proxy / HTTPS & SSL Proxy / Reverse Proxy
2.Open charles and open register link to Adventure:Create your own AdventureQuest Worlds character!
3.Now you will see many adresses in charles.
4.look in charles for https://aqworlds.battleon.com
5.right click on it and click on breakpoints.
6.Now return to register url and complete the form and put whatever name you want pasword etc...
7.Click next and return now to charles you will see the section breakpoints.
8.Now click on edit request , select FORM
9.You will see at strUserName your name
10.Now modify just your NAME NOT STRUSERNAME i have some sugestions click start>run>paste charmap and you will see cool characters
11.So modify that name With whatever you want !@%$^^* etc....
12. CLICK on execute and again execute and You can see on Register page its SUCCESS !
Now you can close charles and play !
SO remember your customized name or paste it in a rtf document.
Enjoy IT.
Source:ME