To answer your question, no, there is (currently) no way to be notified. Sure, it is possible to for us to create this feature, but that would involve a lot of work and code, which we're not prepared to do at this time.
To correct the problem, just change the name back if you like.
Also, keep in mind that each change is logged in the "Change Log" hyperlink, and I have identified the perpetrator of the change and issued a punishment accordingly.
Glad you like it
That person has likewise been identified through the ChangeLog and banned for a month. You can correct the pedigree back to the way you had it if you like. If you need help learning how to change a pedigree back, watch this video.
Hope this helps,
Jack