The fairy's name is Gusto.
I made them for use with Obs
They can be controlled by moving the mouse.
The size can be changed by holding either Z or X
Pressing C will toggle the dust on and off
Holding left shift and moving the mouse will spawn an arrow which can be pointed to any direction.
Holding A will show a "!"
Holding S and keeping still will cause the fairy to change hues
Holding D will make the fairy bounce in place