For those going for insane. Go defense for the final boss. Before he roars drag your mouse to create a shield, but you'll probably won't make it in time to block his claw half the time. This is a safer process, and it took me a try or two.
We must destroy that giraffe! Send all our helicopters, load them with missiles, and send all our troops! Sir! I have an idea! We could find the body and bomb that.