In terms of how much I enjoy playing as them...
1) Wraith
2) Spirit
3) Myers
4) Freddy
5) Pig
6) Trapper
7) Hag
8) Clown
9) Doctor
10) Legion
11) Huntress
12) Nurse
13) Cannibal
14) Hillbilly
I know the Hillbilly is objectively good, I just suck at using him and always seem to get the worst maps whenever I choose him.
As for survivors (this is heavily biased by how good the perks I've currently got for them are
)
1) Dwight [prestiged him 3 times, now trying to unlock everything on him. love my nervous boi]
2) Kate
3) David
4) Adam
5) Feng
6) Nea
7) Tapp
8) Claudette
9) Jake
10) Jeff
11) Ace
12) Meg
13) Quentin
14) Laurie