So why don't you make the rules very clear so that there is no more confusion
e.g.
1.) Thread must not be bumped until the exact time of the last post or later. (by exact, we mean to the second.)
2.) At the time of the bump, the first valid suggestion will be the new name.
3.) If you are to name the Funhouse after a forum member, they must be an active member of the community (preferably someone that actually post in the Funhouse)
4.) You cannot suggest your own name in the name change