Another thing I really liked was during the mob meeting, you can see Joker take a pretty immediate dislike to Gambol from the git-go.  Then, for the rest of the scene, his distate is kind of simmering "I'm NOT crazy.  I'm noT."  So by the time, later on, when he's got the knife in Gambol's mouth doing his "Want to know how I got these scars?" bit, the anger has been building up and it's a genuinely scary moment.
				
			 
				 
						
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
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