Once I turn this to the right, it looks great :)
The shadow by the hands work nicely to give me that sense of depth, even though space would seem very tight.

The pupil could be a bit more constricted since you don't have a body to step back in awe or disgust at what is happening the pupil would give us that response. In my mind, I am seeing like when the anime people are in pain or going berzerk.

As usual great work , makes me want to stop being lazy and learn to draw something. Maybe a hat for my stickman? a skull hat of course.