What is another word for mischief maker?

Here are some words that can be used as synonyms for "mischief maker," depending on the context and the specific nuance you want to convey:

General:

* Troublemaker

* Ringleader

* Prankster

* Rascal

* Imp

* Scallywag

* Harlequin

* Rogue

More negative:

* Demagogue (if they stir up trouble for political purposes)

* Instigator (if they start the trouble)

* Agent provocateur (if they deliberately cause trouble to provoke a reaction)

* Scamp (more informal and often used for children)

More playful:

* Jester

* Trickster

* Wag

The best word to use will depend on the specific situation and the tone you want to create.