Nothing screams out toys and fun old times more than this Toy Story green army man costume. This costume is very easy to put together yourself if you decide to do so. All you’ll really need is a green army helmet and some matching green clothes. If you want to go all out on this costume, you could even get some green body paint and paint your face and hands with it. Make sure that the green your wear and the green you paint your body with is the same shade of green. You want to be sure that you are uniform in color from head to foot.