The proper way to handle this would be to first propose that one or the other of the entries be deleted (doesn't really matter which one, although IF one entry has pictures and the other doesn't it's much simpler to delete the entry without pictures). Then propose a name change for the remaining entry.
It's also very helpful for the moderators if you provide some sort of reference or link when making these types of proposals so they can verify that the changes are actually correct.
Edited to say that, if both entries have pictures, you'll first need to propose moving all the images from one entry to the other because the system doesn't allow an entry with pictures to be deleted.
