I've had Rosie,Whitney,Octavian and Bluebear(twice) move to my cycling town from the void.Those are the most popular voided villagers that I've received.
I once got Crackle from going online! I don't recall getting other villagers from other towns though, since I don't really go online much anymore. I did "adopt" Ankha once because nobody wanted her, but I didn't like her much either.
i never once got a nice villager from someones void. i remember i got cesar from a void and t was such a difficult time because i had to move his goddamn ass out but because he was the 10th villager, i had to decide which villager i wanna move out. in the end i decided on queenie. i miss you queenie </3
I've gotten Marshal from someone's void in my cycle town. It sucked because I thought nobody would want him but I was wrong because the user who adopted him didn't care if he was original or not.
I got Cookie from a streetpass void. Once upon a time she was one of my dreamies, and I badly wanted her in town but then I realised I didn't have any room for her and then I actually ended up getting her as a streetpass void. I was sorta happy about it, since it could've been a villager I dislike but I do eventually have to move her out though. She still lives in my town right now actually.
Ribbot is the only villager I accidentally picked up from somebody's void. Even if I do like having him around, it did come at a very unexpected time since I was about to pick up one of my dreamies when he moved in, so as a result, I do hope he moves out sooner than later. That being said, I don't get mad if I pick up a villager that I dislike from somebody's void.