What if Nymphadora Tonks had a reason to hate her name? Perhaps the fool of a mother who gave it to her wasn't Andromeda after all? Hopefully canon compliant, LupinTonks, warnings of implied rape and accidental incest. Whoop-de-do!
Some of the Harry Potter characters recieve Careers Advice - no thanks to Sirius Black and James Potter.
The Marauders take a little trip to Hogsmeade and discover a delightful new name. Everything belongs to JKR. Even the world. Or something. Whut.