Duolingo is a website/app on the dark web with an inner parasite that can track you down and kidnap you without even knowing the location. if the lessons that it has to offer is not done by a month. Its mascot is Duo. He is the kidnapper. He takes the shape of a green owl, and looks promising, and chats like a normal person. Hello, my name is Duo. Have you done your lessons today? I hope so, because I will punish you in a special way if you don't!