[QUOTE="Nomad,  post: 26056, member: 1"]
If two people use the same internet service provider, IP will be same. However, the users I mentioned are the same person. You can check their content and registration/posting time. Secondary user was created just to reply to the first user.
[/QUOTE]
Ok I have no idea who they are I was just staying the knowledge I know. But to answer your questions I do not think  there should be multiple accounts