Rhino men
The Rhino men are a species of living Rhinos made by scientist M-2. M-2 made the original 20 Rhino men with the hopes of them being savage guys that would kill everything. They turned out to be some awesome dudes and now they have all of Africa to bub around in.
The Rhino men still have forces to attack anything that comes their way after the Alien Hunters attacked.
There is about 50,000 rhino men on earth.
Story of the Rhino men (see the rest in earth)
Jocantas, the future leader of the Rhino men, was the first to break free from the incubators the Rhino men were in. Jocantas broke the rest of the Rhino men out of the other incubators and they escaped the lab that they were in into Africa, with Jocantas as their leader.