I ended up with a FirstName and LastName in the User Table that was different than the FirstName/LastName in the UserProfile.  In essence, I have two different names for the same userID.  I'm new to all this, but it seems like a poor design to store the name in more than one table.  Perhaps there's a reason I don't understand, but it does seem like a bug when, just by using the DNN menus without any direct DB access on my part, I can get two different names for the same user. 

Here's what I did to get these results.

I set my custom profile to display name only once, and I unchecked "Require a Valid Profile for Registration".  When i register I give a FirstName, LastName, Display Name, password. Now if I go to the Profile, the FirstName/LastName are copied over correctly.  But, if I change either one of them in the Profile, it does not update the Credential Name, and I end up with two different names in the database, for the same user.

Is this a bug?  IF so, is there a bug list that this should be submitted to?

Thanks.

Mark