4 ms·Coppermouth is a typo, the actual name NSA gave it is Cottonmouth, a species of pit viper.by selcuka 5y agoCoppermouth is a typo, the actual name NSA gave it is Cottonmouth, a species of pit viper.NamTaf 5y agoMy apologies! I completely missed that I made that typo. Either I was in the throes of exhaustion or my phone spellchecked me :( Now it's too late to edit. Yes, Cottonmouth is correct.ncmncm 5y agoCoppermouth would be a good code name. Cottonmouth? Meh.