Cottonmouth is a venomous snake in North America. He loves to swims and always tries to make people swim with him as well as pushing them in the pool, which may get annoying after awhile.. He's a trickster who likes to have some fun with his friends and get wet in the pool. If you get bit by him, you'll have immense swelling from your wound, pain, and headaches from his venom. He loves eating wet mice. Cottonmouth is funny, charming, slightly hyper, and can be annoying when he wants something.