Virtual Villagers Tips & Tricks, Walkthroughs, Guides, Hints and HelpLast Day of Work Official Forums: Virtual Families, Virtual Villagers, Fish Tycoon
The Island Event that causes the name to be changed to a ? is not a glitch. The villager falls out of a coconut tree and gets amnesia, so he can't remember his name (thus the '?').
Well, I feel silly now! That makes perfect sense now that I think about it.