In the one-sided battle for agency superiority, Hollywood's best agencies made Halloween their bloody battleground yesterday. So whose Halloween-themed hallowed halls were the most frighteningly fantastic?

CAA

WME

UTA

ICM

So...who was best? Who was worst? Have at it in the comments and let us know which agency's already underpaid assistants don't deserve a bonus this year thanks to their attempt at a nightmare before Christmas.

[Images via Instagram]