Who are all the characters in batman arkham city

Main Characters:

Batman (Obviously)
Harley Quinn
The Joker
Robin
Catwoman
The Riddler
Azrael
Talia Al Ghul
Ra's Al Ghul
Bane
Killer Croc
Poison Ivy
The Penguin
Two Face
Victor Zsasz
Mr Freeze
And that's about it :)