Fern the human is not a human, he is a grass-humanoid creature! He believes he is a human due to him being a copy of Finn the human. He constantly compares himself to Finn, and is insecure of his abilities. He thinks he will never compare to finn. Finn the Human has a dog named Jake who can talk and he gets triggered when he talks about Finn. Fern can be aggressive and possessive, but he’s really sweet and kind once he’s opened up. He is made up entirely of grass, he can shape-shift 