Draw a circle for the skull
Add a smaller circle or oval for the snout
Connect the shapes with curved lines for the jaw and cheek
Sketch the eye socket near the upper front of the skull
Add the brow ridge above the eye
Draw the nostril on the snout
Shape the mouth line and jaw opening
Add sharp teeth along the upper and lower jaws
Draw the horns on top or behind the head
Add ear fins or spikes along the sides
Refine the neck connection under the head
Outline the final head shape with clean lines
Erase the construction lines
Add scales, wrinkles, and small details
Shade the underside and around the eye sockets
Darken the outlines and finish the drawing