"Hey, hey, hey! I was safer in the ice!" - When terrified thug is freed from the ice.
"RUN, RUN! Batman's found us!" - Randomly spoken by inmates on the street.
"LOOK OUT!! In a high pitched voice, also spoken by random inmates on the street.
Over-confident thug: "Where are you batman? Come and fight a man!" Terrified thug: "You're on your own big guy!" -Not exact words, but as close as I can remember.
Another good one is when a thug finds a guy he doesn't like unconscious, he has a little fun with him..