Andy Dwyer and April Ludgate (Parks and Recreation)
as Burt Macklin and Janet Snakehole
Jack and Coke
Mickey and Minnie
the running but these two just looked too adorable not to post..
Hunter and Deer
was awesome. The makeup really makes the costume.
Sheldon and Amy from The Big Bang Theory
I just have to find a pair of tights in that mustard color...