Woofie cushion

from here and here (image source)

There are so many ways camouflage can backfire, but this one isn't the dog's fault, it's the fault of the dog's owners. They should know better than to colour coordinate their pets and their furniture. I'm sure this is going to come back to bite them on the ass sooner or later.

The enemy will never find him

from here (image source)

Of course the enemy is unlikely to search his mom's couch, so that might have something to do with it.