Step #1
First start the tutorial by drawing an oval & four curve lines.
Step #2
Draw outline for lower face, neck & ears.
Step #3
Make outline for eyes & nose.
Step #4
Make lips.
Step #5
Draw eye lashes & retinas.
Step #6
Make eye brows & wrinkles over the face.
Step #7
Make moustache & beard.
Step #8
Draw hairs.
Step #9
Enhance hairs by making them thick & draw the shirt.
Step #10
Finally, make necessary improvements to finish.