Step #1
Draw a really large oval for the face and the other lines for outline for the base body
Step #2
Draw the outline for the hands and the legs along with the ovals for the feet and the hands
Step #3
Draw the weird looking eyeglasses along with the eyes of course.
Step #4
Draw the other details as shown
Step #5
Join them all and create a base for the other elements
Step #6
Draw the hair as shown
Step #7
Draw and enhance the upper body
Step #8
Draw the clothing and tie etc.
Step #9
Draw the hands, fingers and lower body with the feet.
Step #10
Draw the other details as shown
Step #11
Add the extra required details and complete the drawing by added finishing touch