Step #1
Begin with a medium circle
Step #2
Now make the eyes and the nose along with mouth
Step #3
Now make the quaint helmet
Step #4
Draw a small circle and a medium oval for the basics
Step #5
Now make the vessel like body
Step #6
Now make the multiple glass layered tank of it
Step #7
Enhance the shape and details of the tank
Step #8
Now enhance the other minute details
Step #9
Don't miss out on the details of the protection glasses for eyes and others
Step #10
Now enhance the other details on the tank
Step #11
Now enhance the details on the complete figure
Step #12
Complete the drawing by adding the required finishing touch