No, this isn't a mod. It was world generated. I dont know if this came from the udate or whaever, but i was just walking around and all these zombies and burning up, and normally that happens, so i didn't really pay attention to it. So i keep walking an i see, far away, and little golden thing. I walked up to it, it turns around and BAM...It's a zombie. It's not burning, nothing is happening to it, he's just chillin'.