Learn to draw a crazy fish

Step1
Draw a football shape for body and then a halfmoon as tail fin.
The eye - well a ball will do

Step 2
Add mouth and fins.
The small pupil in the eye makes the crazy look

Step 3
Now its detail time.
Add eyebrow, teeths, stripes and bubbles.

Its easy to change how the fish appear.

See Examples here

Step 4
You can ink your drawing with a black feltpen.