Can I change my username?

Can anyone tell me?

Yes, you PM an AA. Though it does cost money (gold).

It'll cost you 1000g for the first name change. But as Hatake has said just send a PM to an AA (pink names)

Since this has been answered I'm going to go ahead and lock this up.

Remember - we have a FAQ here in the info desk area and we recommend looking through them before posting, most questions could be answered there.