In Tolkien's mythology, there's no real difference between Goblin and Orc. They're just two different names for the same race, although it can be argued that Goblins were Orcs that "evolved" into ...

or doesn't: Can Bran warg into Viserion? It's not a new theory, but it's gained traction thanks to the events of "Beyond the Wall." It starts with another popular theory relating to the prophecy ...