Invader Groot is an Irken Invader. He is very short, has a large head, a tiny body, and a small pair of antennae. It is unknown how such a small body supports such a large head. His eyes are an unusual shape, and are dark red in color. His PAK and his uniform are both solid colors, neither having spots nor stripes, respectively. He is one of numerous Invaders to not have colored pods on his PAK in concept art.