Choosing a Member Name
Regardless of the type of account you choose, for now you'll choose just one member name. You'll be able to add more names after your registration is accepted.
Names may be 1-20 characters long, and are not case-sensitive
The following characters and words may not be used in member names:
Basically, the rules are pretty much the same as those that apply to email names.
We check for name availability before sending you to the payment page. You always have the opportunity to try again if the name you choose isn't available.