Unfortunately, Ganz does not give you the option to correct your user name, unless its in direct conflict to their user agreement or contains offensive and vulgar wording. Once the account is created and used, there is very little that can be done to change it.
Everyone needs to be very careful when creating 'profile' names, because this can be an issue of giving out too much information.
The only suggestion I have, if caught EARLY enough, is to stop using the account in question and create a new account. In Webkinz, you do not necessarily get to use the KinzChat Plus feature unless you have a parents permission, so even though you've used something revealing as your profile name, it's hard to "give" the rest of the information. However, if you have an account here in WI... and are telling people your WW
ID also, then you may be passing along a bit more info then is wise.
Thsi is a great reminder for all... and something I am sure not a lot of people think about when creating their accounts. Thanks for bringing it up.