Hobgoblin

The hobgoblin is a small hairy humanoid. They live in the dwellings of humans, and will help out with chores in return for food. They are both proud and mischievous and as such fairly unpredictable. Some have shapeshifting capabilities.

Source
The word hobgoblin has welsh origins and was first used around 1530 AD.

Media
Hobgoblins appear in the following media:

Games

 * Gems of War
 * Heroes of Might and Magic III
 * Gems of War
 * Heroes of Might and Magic III
 * Heroes of Might and Magic III

Novels

 * Goblin Slayer