kaddlehopper
A goofy fool who thinks every story is real, even when it's about a dancing chicken and a man who eats socks.
My dog is a kaddlehopper. He thinks every squirrel is a king and will bow down to him if he barks loud enough.
My teacher is a kaddlehopper. She believed the student who said he could turn invisible, and now she's looking for invisible homework.
My mom is a kaddlehopper. She thought the guy who sold her a magic potion was telling the truth, and now she's floating around the house.