Draw a large oval for the body
Add a smaller rounded shape at one end for the head
Sketch a curved line along the body for the back
Draw a pointed tail fluke at the opposite end
Add a dorsal fin on top of the body
Draw two side fins near the front
Shape the body into a smooth torpedo form
Add the eye near the head
Draw the white eye patch
Add the white underside pattern
Draw the white saddle patch behind the dorsal fin
Outline the black-and-white markings
Erase extra sketch lines
Darken the final lines
Color the body black and white