Vote up names you like, vote down names you don't. Whether or not the title will actually be changed is determined with a different kind of crowner (the Single Proposition crowner). This one just collects and ranks alternative titles.
With the slim amount of entries this trope has, why worry man? Currently, I think Fat Monica is the perfect title for this trope. If we find more to prove me wrong, then let the Wiki Magic damn me. I won't take offense.