"'people gonna think you're a troll.'"

Trolls
Public DomainTrolls - Credit: John Bauer
Shadow jokes about Mad Sweeney lurking under bridges as in folk tales trolls are often found under bridges or lurking in caves. In Scandinavian folk lore trolls are depicted as larger than humans and very ugly, sometimes they turn to stone in sunlight and they are considered slow witted but very strong.