What creatures guard Gringotts Bank?

Goblins

Who was Adam and Eve’s firstborn son? What creature feeds by extending its stomach outside its body to digest prey externally? What battle in 732 halted the Islamic expansion into Western Europe? Which English philosopher formulated the concept of empiricism and the tabula rasa? In 'Elf,' Buddy travels from the North Pole to which American city in search of his father?