What an antonyms for marionette?

Here are some antonyms for "marionette," depending on the specific meaning you want to convey:

Focusing on control:

* Independent

* Autonomous

* Self-directed

* Free-willed

* Spontaneous

Focusing on humanness:

* Human

* Real person

* Living being

* Organic

Focusing on movement:

* Natural

* Fluid

* Graceful

* Spontaneous

Focusing on the puppeteer:

* Master (when the puppeteer is in charge)

* Director (when the puppeteer is guiding)

The best antonym for "marionette" will depend on the specific context in which you're using the word.