Rule 1. The Road Runner cannot harm the Coyote except by going "Beep-Beep!"
Rule 2. No outside force can harm the Coyote - only his own ineptitude or the failure of Acme products.
Rule 3. The Coyote could stop anytime - if he were not a fanatic. ("A fanatic is one who redoubles his effort when he has forgotten his aim." - George Santayana)
Rule 4. No dialogue ever, except "Beep-Beep!"
Rule 5. The Road Runner must stay on the road. (i.e. the name Road Runner)
Rule 6. All action must be confined to the southwest american desert. (natural environment of the two characters)
Rule 7. All materials, tools, weapons, or mechanical conviniences must be obtained from the Acme Corporation.
Rule 8. Whenever possible, make gravity the Coyote's greatest enemy.
Rule 9. The Coyote is always more humiliated than harmed by his failures.
Rule 10. The audience's sympathy must remain with the Coyote.