Iiiin chronological orderrrr:
Wednesday December 10th:
Anub'rekhan
Grand Widow Faerlina
Maexxna
Patchwerk
Grobbulus
Thursday December 11th:
Gluth
Noth
Friday December 12th:
Instructor Razuvious
Heigan the Unclean
Loatheb (aka Healbot )
Thaddius
Sunday December 14th
The Four Horsemen:
Sapphiron
Kel'thuzad
Good job all!
Thanks to JJ for the original sorting of the post