"Oooh! Alright. Put me out of my misery. You don't have the gu-" Jesse
"You forget, metal can't hurt me." Luke
"Are you insane?!" Principal Flutie
"Where are your jibes now? Will you laugh when my Hell is on Earth?" The Master
"NO!" The Anointed One
"So? What about my reward?" Billy Fordham. He got it, all right...
"What's that do?" The Judge, while facing a rocket launcher
"Wait. That's your..." Jenny Calendar
"Oh, this is no good. This is no good at all." Mr. Trick
"This is not orderly...this is not disciplined...you're on my campus, Buddy, and when I say I want quiet I mean..." Principal Snyder right before the Mayor eats him
"Well, gosh!" The Mayor right before he gets blown up
"You're an animal. Animals kill." Veruca
"How... can you—" Adam
"This should be interesting-AAAAAhhhhh...." Doc, as Buffy shoves him off Glory's tower without breaking her stride.
"Stop it." Glorificus
"...us?" Ben. For context, Ben said first "She could have killed me" then Giles said "No, she couldn't. Never. And, sooner or later, Glory will reemerge and make Buffy pay for that mercy. And the world with her. Buffy even knows that, and still she couldn't take a human life. She's a hero, you see. She's not like us." prompting him to respond "us?." Then Giles smothered him with one hand
"The hardest thing in this world is to live in it. Be brave. Live. For me." Buffy, the second time
"Your shirt..." Tara
"Oh, and when you get caught, you'll lose them too. Your friends. You don't want that. I know you're in pain, but—-" Warren Mears, trying to beg for his life. He fails.
"Angel... ?" Darla, the second time
"Aw, fu-" Vamp Willow
"Well, I still care about them. That's why I'm here." Jonathan Levinson
"My friends, these are the times that define us. Proverbs 24:6. O, by wise council, you shall make your war." Quentin Travers
"You think you have power over me? Stupid girl. You'll never stop me. You don't have th—" Caleb, before becoming Half the Man He Used to Be
"Bunnies. Floppy, hoppy bunnies." Anya, natch.
Actually, it's "Andrew!"
"(chuckles) I wanna see how it ends..." Spike. He gets better.
"Oops!" Lothos in the Big Damn Movie
"I'm so scared [sic]" Renee (technically last thought)
"Too bad we'll never know...if this is a face you could learn to love." Doyle
"He's gonna kill us." Lilah Morgan
"Oh, and you're welcome." Cordelia Chase
"Please, Wesley...why can't I stay?" Winifred "Fred" Burkle
"You kill me? A flunky?! I'm not just...Angel...kills me. You don't...Angel..." Lindsey McDonald after getting shot by Lorne
"I-I love you." Wesley Wyndam-Price
"That ain't right." Skip
"We did so many terrible things together. So much destruction. So much pain. We can't make up for any of it. You know that, don't you?... This child, Angel, it's the one good thing we ever did together. The only good thing. You make sure to tell him that." Darla, the fourth time
"This death is hardly glorious enough." The Groosalugg. While he was on a winged horse. Fighting Illyria in her true form. He got better.
(Breatheless) "We are legion, we are forever!" Hamilton, followed by Angel's line in between the final blows: "Then I guess forever....just got a hell of a lot... shorter!"
"Let's go to work." Angel. He got better.
"How very touching his meaningless death was - but this fight was never for mortals. Ooh...take your best shot, little girl." Cyvus Vail, mistaking Illyria for Fred