Fake users appear in the online column in chat just like normal users. You can set any user from the database to appear in this manner in chat (AdminCP » Users » USERNAME), however, if the real user logins at the same time you will have two identical users in the online column.
- Make sure there are no real users behind fake user accounts.
- Fake users does not increase server load.
- When using from/to times the timezone = ACP time offset in minutes (AdminCP » Settings » General).