The Tolkien Monster Encyclopedia
by Calle Mattsson
This page is devoted to all the monsters and races belonging to darkness.
Here you will find Orcs, Goblins, Balrogs and many more fearsome creatures.

"Goblin" is simply another word for "Orc". They play an important part in The Hobbit where they cause a serious threat to Bilbo and the dwarves in Moria. Here is a picture of the Great goblin of Moria.