There are no rabbits present and the monster is Jinouga from the latest MH, Monster Hunter Portable 3rd. The felyne's costume is also a reference to Solid Snake's from Metal Gear Solid, of course.
namelessbookworm said: More likely a reference to Big Boss in Peace Walker, considering the crossover, but the suit's closer to Solid's so I'm not going to edit it.
The image is a reference to Peace Walker, The suit the cat is wearing is Solid Snakes from MGS1.