During World War II, 8 little bunnies were brought to the Japanese island, Okunoshima, to be used as test subjects for mustard gas.
Totally NOT cool and if you ever need to report animal cruelty, go to http://www.aspca.org/fight-cruelty/report-animal-cruelty
Regardless of why they were brought to the island, they have thrived and taken over the island. In fact, they have have become quite the tourist attraction. Check out the awesome videos below to see just how well they have done on Okunoshima.