Blizzard Europe is giving away Murky the baby murloc pet to the best photos of any of the Midnight Openings listed below—Source:

Vaneras: If you have finished packing and that you are ready to be part of the official launch of Wrath of the Lich King that will take place in Paris, Rotterdam, Madrid, London, Berlin and Stockholm on the night between November, 12th and 13th, make sure you do not forget to bring your camera!
The Baby Murloc Adoption Committee has decided to reward the players who capture the best pictures during this fabulous evening. The winners of this contest will get the opportunity to look after the famous Gurky. Do not miss the chance to make friends with this rare game mascot