"Somepony needs to put this thing out of its misery." ~ Applebloom
Everything Discord said.
"Look out, here comes Tom! *CRASH* *THUD*" ~ Twilight
"Eternal chaos come with chocolate rain, you guys! CHOCOLATE! RAIN!" ~ Pinkie Pie (see: reviving old memes in the name of PONIES!)
Of course, that's just the ones I can remember.