Tf2? hows the most dramatic/stupidest way a group can kill each other and commit mutual destruction. Also here's a fish in regular and festive versions to beat people up with.
"Napoleon attacked by rabbits" so I had to go google search it. "The story of Napoleon being "defeated" by rabbits during a hunt in 1807 is a humorous anecdote, but it's not a confirmed historical fact, though it is mentioned in General Thiébault's memoirs. "