Q: How do I change my username.

What is your version of OS X? Why do you need to change your username?

Pelase carefully read:

http://support.apple.com/kb/HT1428

Also please update your profile, helping someone without any information on their system is extremely difficult. Click the MyStuff link in the upper right of this  page and follow the links.

How does one "pelase?" And, carefully, at that.

Can I blame it on the PC I have to use at work or must I take responsibly. Or how bout the dog did it! :-)