In the summer of 1991, a scuba diver named George Moon was combing the depths of Lake Pleasant in Erie County, Pa. When he broke the surface, he was carrying with him an almost three-foot long bone. M

The Erie SeaWolves have a new alternate identity, thanks to the help of HBO’s "Last Week Tonight with John Oliver." After extensive research, say hello to the Erie Moon Mammoths — a tribute to a local fossil excavation that occurred in 1991.