#1 - Feb. 2, 2011, 7:18 p.m.
I'll try to keep the results of the discussion updated here in this post.
So far (videos added where available):
Budd (12): "Ahoooy!! I'm saaaaaaailing!!!!"
Maloriak (11): "How well does the mortal shell handle extreme temperature change? Must find out! For Science!"
http://www.youtube.com/watch?v=oQekiC88Ems
Ozruk (11): "BREAK YOURSELVES UPON MY BODY!"
http://www.youtube.com/watch?v=elUVA0O93Oo
Cho'gall (6)
http://www.youtube.com/watch?v=cuE7euMLrrc
Nefarian (4): "The heroes have made it to the glorious finale! I take it you are in good spirits? Prepared for the final battle?" "Look at him... LOOK AT HIM!"
Stormcaller Mylra (3) and Mor'norokk (4): "Put me down, you tiny, angry woman!"
Deathwing (3): "The sun has set on this mortal world, fools. Make peace with your end, for the hour of twilight falls!"
http://www.youtube.com/watch?v=PO6cv4zdISU
Drahga Shadowburner (1): "BY FIRE BE... BURNED!" "Dragon! You will do as I command! Catch me!"
Priestess Lorthuna (3): "Sorry, hun. I'm not that easy!"
http://www.youtube.com/watch?v=LDYJrVvaqPs (best quality available)
http://www.youtube.com/watch?v=os29K4CoOqU
Aronus (2): "Our forward outpost has been obliterated!"
Corla, Herald of Twilight (2): "For the master I'd die a thousand times! A thousan..."
Forgemaster Throngus (2)
High Priestess Azil (2): "Witness the power bestowed upon me by Deathwing! Feel the fury of earth!"
Lady Naz'jar (2): "Destroy them, minions! Rise from the icy depths!"
Legionnaire Nazgrim (2): "Thrall's balls! They're everywhere!"
Mindbender Ghur'sha (2): "Is. This. Reality."
Neptulon (2): "Behold, the power of pure water!"
http://www.youtube.com/watch?v=SnbcphpOUm4
Setesh (2): "You fear that which you cannot control. But can you control your fear?"
Sylvanas Windrunner (2)
http://www.youtube.com/watch?v=PwZC9KoiAkU (towards the end)
Rom'ogg Bonecrusher (2): "Rom'ogg... sorry..." "That's what you get! Nothing!"
Theralion (2): "I will engulf as I please!"
Admiral Ripsnarl (1): "I will rip your heart from your chest!"
Ammunae (1): "Your life, UNLEASHED!"
Asaad (1): "Al'akir, your servant calls for aid!"
Ascendant Council (1)
Ascendant Lord Obsidius (1): "Earth can be shaped, molded... You cannot! You are useless!"
Atramedes (1): "I have no need for eyes to see my enemies. Your clumsy footsteps and foul stench give you away!"
Captain Taylor (1)
Erudax (1): "F'lakh ghet! The shadow's hunger cannot be sated!"
http://www.youtube.com/watch?v=X1B8zBGS4I0
General Husam (1): "Invaders! You shall go no further!"
High Chieftain Cliffwalker (1): "You are about to cross a terrible threshold, Krom'gar. May the Earth Mother have mercy on your soul."
Lo'gosh/Goldrinn (1)
Random Goblins (1)
Raz the Crazed (1): "RAZ SMASH"
Siamat (1): "The sky... beckons..."
Trade Prince Gallywix (1): "All hail the greatest Trade Prince on Azeroth! Me!"
Honourable Mention:
The original Theralion (11):
*Technically isn't a part of Cataclysm, since it didn't make it to live, but...
The original Deathwing (1)