Richard B. Riddick
Hard core criminal turned reluctant hero.  As Riddick's unique eyesight was the only means of leading the survivors through the dark, they came to depend on him.  Trust was hard to give but necessary.  But how do you trust the devil?
Riddick Quotes
"They say most of your brain shuts down in cryo-sleep.  All but the primitive side...  the animal side.  No wonder I'm still awake."
Fry: "Is he really that dangerous?"
Johns: "Only around humans."
"You hear the whispers.  The ones telling you to go for the sweet spot just to the left of the spine, fourth lumbar down.  The abdominal aorta.  It's a metallic taste... human blood."
"All of you people are so afraid of me.  Most days, I'd take that as a compliment."
"You think someone can spend half their life in the Slam with a horse bit in their mouth... and not believe.  You think he can start out in some liquor store trash bin with an umbilical chord wrapped around his neck... and not believe.  You got it all wrong, Holy Man.  I absolutely believe in God and I absolutely hate the f*cker."
"My recommendation.  Do me.  Don't take the chance that I'll get shiv happy on your wanna be a**.  Ghost me."
"You don't know anything about me.  I will leave you here."