Step #1
Start the drawing by sketching two ovals & two curve lines intersecting each other inside the top oval.
Step #2
Draw outline for horns, legs & eyes.
Step #3
Make outline for eyes & nose.
Step #4
Draw outline for shirt collar.
Step #5
Make outline for body.
Step #6
Draw feet & three vertical lines and one horizontal line as shown.
Step #7
Make horns & retinas.
Step #8
Finally, make necessary improvements to finish.