New accounts are created daily, but about once per week I see a pattern, which I'm guessing is some form of malicous attack, but I've no idea what.
A new account will be created where the surname is identical to the christian name. In the most recent example LydiaTrucTSO LydiaTrucTSO.
There's never an address in the account, no order is ever placed, it usually has a russian TLD in the email, and the IP generally points to the Netherlands, although I've seen Russia, Belarus and Ukrane,