Animals PHOTOS: Dogs in Halloween Costumes Share Read Later prev6 of 13nextView AllHe Comes in PeaceBy Nick Carbone Oct. 23, 2012John Moore / Getty ImagesWilson, a rescued mixed breed, poses as a Martian.Though for Wilson, it seems as though it’s not easy being green. Next Definitely Not a Mutts Fan Full List Dressy DogsBus-ting a MoveButter UpRuff SeasThat Comb-over Looks So NaturalSpiky SuitHe Comes in PeaceDefinitely Not a Mutts FanLetting Out the LeashScare-FreeFloat Like a ButterflyBarking at Heaven’s DoorDog-ter Seuss Would Be Proud