Start the work by drawing two ovals & two curve lines inside the top oval.
Draw outline for an antenna, wing, arms, hands, legs & feet.
Draw outline for eyes & lips.
Make antennas over the head & two ovals. Also draw a vertical curve line over the abdomen.
Make arms & legs.
Make wings & feet.
Make four ovals, retinas & a curve line just below the face.
Finally, make necessary improvements to finish.