What is another word for mischievous goblins?

Here are some words you could use instead of "mischievous goblins," depending on the specific nuance you want to convey:

General mischief:

* Imps

* Pranksters

* Gremlins

* Spritely fiends

* Miscreants

* Little devils

More sinister:

* Tricksters

* Boggarts

* Fiends

* Imps

* Demons

* Wraiths (if they are more ghostly)

More playful:

* Pixies

* Fairies

* Naughty sprites

* Impish spirits

The best word will depend on the context and the specific type of mischief you want to describe.