Still makes it hard to look up, since you'd have to shift through the pages until you happened to find that person's post

Doesn't work nearly as well as tags or a single list

Single list in the OP of the name changing topic sorted by date

Simple way to resolve the issue without having to add anything to the forums

Requires a little more work for the admin and nothing else

I like this idea, but unfortunately I'm going to have to decline it. I won't be able to extend phpBB3 to this extent.