1) The Road Runner cannot harm the Coyote except by going Beep Beep

2) No outside force can harm the Coyote, only his own ineptitude or the failure of his ACME products

3) The Coyote could stop at any time - If he were not a Fanatic. (Repeat: A Fanatic is one who redoubles his effort when he has forgotten his aim - George Santayana)

4) No dialogue ever, except Beep Beep

5) the Road Runner must stay on the road. Otherwise he could not logically be called a Road Runner.

6) All action must be confined to the natural environment of the two characters- The southwest American desert.

7) All materials, tools, weapons, or mechanical conveniences must be obtained from the ACME corporation.

8) Whenever possible, make gravity the Coyote's greatest enemy.

9) The Coyote is always more humiliated than harmed by his failures.