These are a couple of my favorite alien guys. The spaceman is ok too. He came along in the same baggie and they all have to share the same gun. In 1981 the company Britains in England launched an ambitious series of space war related items including many vehicles and assemblies that could be modified and changed by plugging and unplugging pieces together. My space guy seems to have a very unlikely head that I think belongs to an indian perhaps. Not that you can't have indians in space but seeing that Britains put out many many different sets of figures , someone was taking a few liberties with these plug and play guys.
These images below are from the net and the images above are mine. I only have the three figures.
