You can not take other accounts.
The closest thing you can do if you want to change your name is actually, get a name change, which costs 100k. If there is already an account that has the name you want, it has to be unused (i.e. 0 posts 0TC 0 items and 0 qi, or last used a few years ago.)
To get a name change you have to PM an admin. They are the ones with red names. Here is the list of current admins:
http://forum.toribash.com/showgroups.php
Edit: Smods cannot do name changes, it has to be an admin or higher.
Last edited by Fish; Jul 30, 2010 at 05:41 AM.