Step one:
First draw half an oval.
Step 2:
Then draw another half oval on top, but note that there are two gaps.
Step 3:
Then use arcs to draw its ears and nose.
Step 4:
Use small dots to draw its nostrils and eyes, as well as two square teeth.
Step 5:
Under the head, draw its body with an oval shape.
Step 6:
Use squares to draw its hands and feet.
Step 7:
The navel is represented by "x", and a decorative line is added to the hands and feet.
Step 8:
Finally paint it with nice colors and the hippopotamus is finished.