You can bring back 5 villagers from AC:GCN/e+...

[Puffy]

(if there's a topic like this oops sorry)
But you have to kick out 5 villagers from New Leaf~~

I'd bring back June, Hambo, Sprocket, Aisle and Monpe ♥

I'd kick out Deirdre, Merengue (don't hate me ;w; ), Keaton (it's REALLY hard for me to look at him oops), Croque and Peck~

 

[Capella]

do they have to be new leaf exclusives? o;o

 

[Puffy]

do they have to be new leaf exclusives? o;o

nope they can be from any game but they have to be in new leaf
So lets say you want to kick Jitters out. He was in WW and Cf and new leaf so yeah

 

[Capella]

Ok uhm
Wart JR. replaced by Ketchup
Jambette replaced by sunny
Al replaced by Meow
Rocket replaced by Cleo
Boone replaced by Patricia

 

[Leopardfire]

Zucker replaced by Julia
Rocket replaced by Meow
Al replaced by Bow
Cesar replaced by Woolio
Alfonso replaced by Kit