I didn't have awful villagers but I've been trying to make Curly leave ever since day one. When he finally asked to leave, he decided to stay much to my disbelief.
Olaf, he sucks. he was my first and last smug villager. and then when i told him to go ahead and move out, he kept making comments like, "i guess im moving out in a few days, i dont know where im going though..." and other comments like he didnt want to go, lol...
I can't even remember his name but I had a male gorilla villager once and I haaaated him, hahah. He'd plotted his house down on a bad place, and he was huge next to my other villagers. It took me forever to TT him out
In acww I really didn't like Cesar, (cranky gorilla) he asked for white furniture very early in the game & I hadn't got any regal so gave him a toilet - not what I wanted to do, but its all I had & supposed it would be OK as the villagers can you give this for a gift - and he refused it saying it was trash!
In accf - I loved Nate - lazy teddy bear, but I found lazies stressful in accf as they could be really difficult to get them to stay. I had a desperate convo with Nate trying to get him to stay (he did eventually) but it wasn't a bond forming experience.
acnl, all villagers agree to stay immediately, and all so bland there isn't really any I don't like.
On looks I'm not keen on Marshall, Sylvia or Vladimir haven't got the first (he looks so grumpy to my eyes), not keen on kangaroos with babies nor a pink cranky bear - so those two will be moved out sometime.
Kody. He moved right onto my path, in front of my house and wouldn't move out before I realised someone has to move out before him because he was the newest villager.