Gib is one of the funniest sidekick characters ever in an action film.
Gib: Same thing happened to me with wife number two, remember? I have no idea nothing's going on, right? I come home one day and the house is empty, and I mean completely empty. She even took the ice cube trays out of the freezer. What kind of a sick bitch takes the ice cube trays out of the freezer?
Aziz fires at Gib, whose only cover is a light post. He turns to hide behind it, and the bullets can clearly be seen striking both the post and the area around it, but miss Gib entirely despite the fact that he clearly sticks out from both the front and back.
Gib's reaction is also hilarious. He feels up and down his body to make sure he hasn't been hit anywhere, ending with his crotch, before muttering "Oh thank God..."
Harry's conversation with the torturer right before he escapes.
Samir: Is there anything you'd like to tell me before we start?
Harry: Yeah; I'm going to kill you pretty soon.
Samir: I see. How, exactly?
Harry: First I'm going to use you as a human shield. Then I'm going to kill this guard over here with the Patterson trocar on the table. And then I was thinking about breaking your neck.
Samir: And what makes you think you can do all that?
Harry:(gives directions to Gib to get backup to catch Aziz) All right, and make it happen quick, because my horse is getting tired. Gib:(beat) Your horse?
\\ Harry:(after the horse refuses to jump from one building to the next and Aziz escapes) Now what the hell were you thinking? I mean, I had the guy, and you let him get away. (horse looks away; Harry pulls it back) Look at me when I'm talking to you. What kind of a cop are you?
When Harry and Gib are listening to Simon bullshitting over the wiretap:
Simon: It's the training. It shapes you into a lethal instrument. You react without thinking. Gib: I'm starting to like this guy. (notices Harry's Death Glare) Oh, we still gotta kill 'im. That's a given.
The final line in the movie, after Gib is annoyed that Harry and Helen ignored him over the earpiece while on mission:
Gib: Y'know what? I'm sick of being in the van. You're going in the van next time. I've been in the van for fifteen years, Harry.