they're called: "Zenos'" (zen-o's) they are a robotic type of animal..(any animal can be used) These creatures, can overheat. Causing them to shut down for a while. The ways for a Zenos' to overheat is for them to be eighter: A. Flustered..B. Angry.. C. overwhelmed(stressed). They have tails that may do as they please. Their tail may flicker from satisfaction (not that bad way wth) or a way of showing everyone that their happy with what they've done (again another sentence for the word satisfaction, because ppl will think weirdly)