So, draw the top similar to the top part of a hat, then lower lines down and connect them a wavy curve, as on the picture.
Further draw big oval eyes with evil eyebrows and a mouth, and also some curves showing fabric folds.
Everything, is so simply drawn evil reduction.
Kind reduction can be drawn also, only to take away eyebrows and a mouth to draw in a smile, look as it to make in the previous lesson here.
Also you can look at drawing: