Theyyam aka God is the name of the ritual performed in the Northern parts of Kerala, India & as the name indicates, this is when the God visits the believers.
The ritual is characterized by intricated face paintings, large crowns and in many cases the performer uses fire in various means.
In this series, we have "Thottinkara Bhagavathi" a female deity:
The crown is made of tender coconut leaves and cloth:
The performer has fire on top of the crown and infront of him:
The next to pics are self explanatory ....