Griffin has introduced a range of cases under the Survivor name, all designed to offer atypical protection for the iPhone 5c. The first is the classic Survivor ($50), a hearty, element-resistant plastic and rubber case. It's the one to go with for the highest level of protection. Survivor Clear ($30) is much more subtle: it has a sheet of clear plastic along the back, with black rubber around the edges, adding padding to the corners for extra shock…