I would consider this a Cyber Crime, specifically under Sect 72- Breach of Confidentiality and Privacy. Possibly Sect 66 - Hacking Systems and Data Alteration (I paid for my avi and her upkeep, someone has now forever ALTERED her in the system).
This is not a private game when Names are associated with an action they never knew or consented to. I cant copy and paste an IM but someone can claim they performed an act on my avatar?
I play Bloodlines, but they ask me permission, without whichProgeny would be adding me to their game and websites against my consent, my digital identity and intellectual property. I might even want to play with them! Maybe,, but they must ask.