Step #1
Start the tutorial by making a rectangle, two curve lines & two ovals.
Step #2
Draw outline for arms & make four ovals.
Step #3
Make outline for head.
Step #4
Make eyes & retinas.
Step #5
Draw various Y shapes over the head as shown.
Step #6
Make shirt, shirt buttons & shirt collar.
Step #7
Make hands, fingers & arms.
Step #8
Make legs.
Step #9
Finally, make necessary improvements to finish..