You might want to consider using the name of your avatar in whichever virtual world you frequent. This isn't mandatory, it's just a suggestion to help folks know who you are and not have to memorize you by another nickname. You can also fill in your avatar name(s) elsewhere in your profile.

Account information

Username: *

Your preferred username; punctuation is not allowed except for periods, hyphens, and underscores.

E-mail address: *

A valid e-mail address. All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail.

Second Life

Second Life Name:

Your full second life username

Second Life Business:

The Name of your business in Second Life