What can I do to have my username changed?

[Ningyou]

Mr. Mulch sounds best.

[Ad Bot]

[Spectrum2]

I'm changing mine to $P3(7RU/\/\

[steve5451]

But the real question is

What were you thinking when you typed your username in?

I was thinking "hurr, im 12 and wut is this, only use account 4 blnlnd hlelp lol who cares...hmm, wut shuld it be...uhm my name is steve and my bike lock combinashun is 5451, so LOEL steve5451"