Hmmm.... Let's see (in chronological order):
Dante: "Come on boy, come here!"
My reply: "Damn, here I am thinking that Cerberus was a badass dog... Dante just put him to shame."
Dante: "Too easy..."
My reply: *faint*
Dante: "How about a kiss from your little brother?"
My reply: "Oh my... he's younger?"
Dante: "I just don't like you, that's all."
My reply: "That's cold..."
Dante: "Now this is my kind of rain!"
My reply: "Mine too!"
Dante: "I'll let you take care of him."
My reply: "Get your @$$ back here and help the girl!"
Dante: "I'll take care of him."
My reply: "kiss her, man, just kiss her."
Dante: "My father was than hideous. Can't you tell by looking at me?"
My reply: "Nice..."
Dante: "Look at you, making a big entrance and stealing my spotlight."
My reply: "Yeah, how dare he!"
Dante: "We are the sons of Sparda. In us flows his blood, but more importantly his SOUL!"
My reply: "Oh, why did things have end this way?"
Dante: "I'm absolutely crazy about it!"
My reply: "I can see that..."
Vergil: "It begins."
My reply: "Wow...."
Vergil: "My apologies, I was so eager to see that I couldn't concentrate on preparations for bash."
My reply: "You silly Vergil..."
Vergil: "You got that right."
My reply: "Oh sh*t, time to go beast mode."
Vergil: "You are not worthy as my opponent."
My reply: "OH HELL NAW!"
Vergil: "You can't handle it."
My reply: "You tell 'im, Vergil."
Vergil: "You don't think that he deserves to be our main event now, do you?"
My reply: "Heck naw! Wait.... Then who will be the main event? ... Oh... no..."
Vergil: "Not very classy for someone's dying words."
My reply: "I'm about to lose it..."
Dante/Vergil: "Jackpot!"
My reply: *faint*
Cerberus: "You are not human, are you!?"
My reply: "You better recognize, b*tch!"
Cerberus: "You have my blessing."
My reply: "Awww... That's nice."
Nevan: "Mmmmmm.... Welcome, sir!"
My reply: "HEEELLLLOOOO MAMA!"
Nevan: "Is this your first time here?"
My reply: "Lady, I assure you it won't be my last."
Nevan: "I'll treat you so nicely..."
My reply: "Please do..."
Nevan: "You'll never want to leave."
My reply: "I already don't."
Nevan: *smile*
My reply: *faint*
Jester: "Didn't you see it?"
My reply: "See what?"
Jester: "That large tower jutting out of the ground..."
My reply: "Hm Hmmmm?"
Jester: "That thick shaft that makes women shudder~!"
My reply: "Oh! You're talking about me!" (hot tip for ladies ;D. Giggity-giggity)
Jester: "Just let your soul burn and go for it!"
My reply: "Heck yeah!"
Lady: "Welcome back."
My reply: "Glad to be back!"
Lady: "I guess even a Devil may cry when they lose someone they care about."
My reply: "Hmph, don't you know? Devils Never Cry!"