Yin and Yang

 
 
4 Town
They don't know each other and must find out through whispers to be able to work together.

1 Killer
Can kill at night but mostly has to work with a side to win.

1 Monk
With three doctor equivalents including himself, it's very possible for him to win.

3 Mafia with 1 Mastermind
Spy needs to contact his buddies to help him out, he can only talk to the mastermind at night.