I'd have to go with Green Arrow and The Flash. No matter what all the Hal Jordan fans will say, I also think John Stewart is worthy of his own show, too!
"Luck. That's what it all boils down to, doesn't it? The smallest break one way or another. It can change a life or destroy it. And you can't fight it. No matter how strong you are."
"I believe the man that you're looking for is the same man who beat Samuel here 'til he cried like a little girl."
"Well, I've certainly got to hand it to you for the meticulous care with which you have executed your finely-formulated machinations in extricating us from this devastating dilemma."