I'll start
"Your theories are the worst kind of popular tripe, your methods are sloppy, and your conclusions are highly questionable. You are a poor scientist..."
I don't know if this game has been played before, but here are the rules: someone quotes a character, and others have to guess who that character is talking about (or in some cases, also talking to). The person who guesses correctly gets to quote another character, fictional or otherwise. You may be able to cheat but there are no real prizes so you'd just be cheating yourself.

Mumbo from Banjo Kazooie.

I'm assuming that was guessed right. Next one.

"Well, they won't carry anything, (name censored), because I pitched them a show where Daffy Duck and Bugs Bunny were teenagers, and I was a teenager too, and we were all pirates, but every week we would have different jobs and identities. And they called back and said it was stupid! And that I was stupid too! And let me tell ya something. There's nothing stupid about a teenage rabbit teaching good hygiene! Nothing!"

I'd forgotten all about this topic before I search through my email. Actually, I was addressing Peter Venkman as Head Dean Yeager in Ghostbusters. I'm telling you now because I have a pretty good idea what happens to old topics that come back up, though I hope this one is given another chance.

As for rayword45 ... uh ... that guy Brendan Frasier plays in Loony Toons Back In Action?

I will assume you got that right, next one.

"Find the match deep inside yourself...light it, and let the fire burn up your gut and boil your blood!" @ConfusedOwl got it right. Have a cookie.

Murray from Sly 3?

"In exchange for power, you can no longer look away from the things you don't want to see."