I'd like to change my username...

[Mad_Cactuar]

Yeah, mine was also a part of my e-mail address. Now the name "Mad Cactuar" has grown wayyy too big. Can this warrant me to change my username?

Once you have registered your username, it becomes yours for life. In extreme circumstances, you may request that the administrator change your username, but he or she will require a very good reason to do so.

Umm. How extreme? xD