Boss Initial Concepts

Creating the boss is tough. He needs to have a similar but more advanced style to the regular robots and also needs to be less humanoid, since they are against life. One thumbnail was chosen for it's scorpion like tail. I really didn't know what i was going to do with it, but as it turns out it has adapted into a more vicious version. On to the next three variations of a different thumbnail, then I will work the boss in more detail.